diff --git a/kotlin/anagram/.idea/workspace.xml b/kotlin/anagram/.idea/workspace.xml
index d0599da..4c5c1e7 100644
--- a/kotlin/anagram/.idea/workspace.xml
+++ b/kotlin/anagram/.idea/workspace.xml
@@ -21,29 +21,32 @@
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="375">
       <file leaf-file-name="README.md" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/README.md">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="0">
-              <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-              <folding />
+          <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+            <state split_layout="SPLIT">
+              <first_editor relative-caret-position="0">
+                <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+                <folding />
+              </first_editor>
+              <second_editor />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="AnagramTest.kt" pinned="false" current-in-tab="true">
+      <file leaf-file-name="AnagramTest.kt" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/test/kotlin/AnagramTest.kt">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="323">
-              <caret line="64" column="8" lean-forward="true" selection-start-line="64" selection-start-column="8" selection-end-line="64" selection-end-column="8" />
+            <state relative-caret-position="815">
+              <caret line="64" column="8" lean-forward="false" selection-start-line="64" selection-start-column="8" selection-end-line="64" selection-end-column="8" />
               <folding />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="Anagram.kt" pinned="false" current-in-tab="false">
+      <file leaf-file-name="Anagram.kt" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/src/main/kotlin/Anagram.kt">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="323">
-              <caret line="17" column="9" lean-forward="false" selection-start-line="17" selection-start-column="9" selection-end-line="17" selection-end-column="9" />
+            <state relative-caret-position="190">
+              <caret line="10" column="5" lean-forward="true" selection-start-line="10" selection-start-column="5" selection-end-line="10" selection-end-column="5" />
               <folding />
             </state>
           </provider>
@@ -417,6 +420,7 @@
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
+      <pane id="PackagesPane" />
       <pane id="ProjectPane">
         <subPane>
           <PATH>
@@ -475,14 +479,13 @@
           </PATH>
         </subPane>
       </pane>
-      <pane id="PackagesPane" />
-      <pane id="Scope" />
       <pane id="Scratches" />
+      <pane id="Scope" />
     </panes>
   </component>
   <component name="PropertiesComponent">
     <property name="WebServerToolWindowFactoryState" value="false" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$/../isogram" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
   </component>
   <component name="PsiViewer.ProjectComponent">
     <option name="HIGHLIGHT" value="false" />
@@ -928,36 +931,36 @@
     <editor active="true" />
     <layout>
       <window_info id="Palette" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
-      <window_info id="Nl-Palette" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
+      <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
+      <window_info id="Nl-Palette" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
+      <window_info id="Palette&#9;" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
+      <window_info id="Image Layers" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
+      <window_info id="Capture Analysis" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
       <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="true" content_ui="tabs" />
+      <window_info id="PsiViewer" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
       <window_info id="Maven Projects" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
-      <window_info id="Properties" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Capture Tool" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
+      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32936722" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
+      <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="false" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="Properties" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
+      <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="Capture Tool" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Designer" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
+      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
+      <window_info id="Gradle" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
       <window_info id="Ant Build" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
       <window_info id="UI Designer" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
+      <window_info id="Theme Preview" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
       <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
-      <window_info id="Data View" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
-      <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.32896176" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
-      <window_info id="Palette&#9;" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
-      <window_info id="Image Layers" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Capture Analysis" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="PsiViewer" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32936722" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
-      <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="false" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
-      <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
-      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
-      <window_info id="Gradle" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
-      <window_info id="Theme Preview" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
       <window_info id="Favorites" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="true" content_ui="tabs" />
+      <window_info id="Data View" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
       <window_info id="Cvs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
       <window_info id="Message" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
-      <window_info id="SBT" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Commander" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
-      <window_info id="Inspection" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
       <window_info id="Hierarchy" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="2" side_tool="false" content_ui="combo" />
+      <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.32896176" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="SBT" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
+      <window_info id="Inspection" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
       <window_info id="Find" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
     </layout>
   </component>
@@ -973,6 +976,33 @@
     <option name="FILTER_TARGETS" value="false" />
   </component>
   <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/README.md">
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="0">
+            <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+            <folding />
+          </first_editor>
+          <second_editor />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/kotlin/Anagram.kt">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="323">
+          <caret line="17" column="9" lean-forward="false" selection-start-line="17" selection-start-column="9" selection-end-line="17" selection-end-column="9" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/kotlin/AnagramTest.kt">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1178">
+          <caret line="64" column="8" lean-forward="true" selection-start-line="64" selection-start-column="8" selection-end-line="64" selection-end-column="8" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/README.md">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="0">
@@ -998,7 +1028,16 @@
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/README.md">
-      <provider selected="true" editor-type-id="text-editor">
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="0">
+            <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+            <folding />
+          </first_editor>
+          <second_editor />
+        </state>
+      </provider>
+      <provider editor-type-id="text-editor">
         <state relative-caret-position="0">
           <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
           <folding />
@@ -1013,18 +1052,18 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/kotlin/Anagram.kt">
+    <entry file="file://$PROJECT_DIR$/src/test/kotlin/AnagramTest.kt">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="323">
-          <caret line="17" column="9" lean-forward="false" selection-start-line="17" selection-start-column="9" selection-end-line="17" selection-end-column="9" />
+        <state relative-caret-position="815">
+          <caret line="64" column="8" lean-forward="false" selection-start-line="64" selection-start-column="8" selection-end-line="64" selection-end-column="8" />
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/test/kotlin/AnagramTest.kt">
+    <entry file="file://$PROJECT_DIR$/src/main/kotlin/Anagram.kt">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="323">
-          <caret line="64" column="8" lean-forward="true" selection-start-line="64" selection-start-column="8" selection-end-line="64" selection-end-column="8" />
+        <state relative-caret-position="190">
+          <caret line="10" column="5" lean-forward="true" selection-start-line="10" selection-start-column="5" selection-end-line="10" selection-end-column="5" />
           <folding />
         </state>
       </provider>
diff --git a/kotlin/leap/.gradle/3.5/file-changes/last-build.bin b/kotlin/leap/.gradle/3.5/file-changes/last-build.bin
new file mode 100644
index 0000000..f76dd23
Binary files /dev/null and b/kotlin/leap/.gradle/3.5/file-changes/last-build.bin differ
diff --git a/kotlin/leap/.gradle/3.5/taskHistory/taskHistory.lock b/kotlin/leap/.gradle/3.5/taskHistory/taskHistory.lock
new file mode 100644
index 0000000..77e778f
Binary files /dev/null and b/kotlin/leap/.gradle/3.5/taskHistory/taskHistory.lock differ
diff --git a/kotlin/leap/.gradle/buildOutputCleanup/built.bin b/kotlin/leap/.gradle/buildOutputCleanup/built.bin
new file mode 100644
index 0000000..e69de29
diff --git a/kotlin/leap/.gradle/buildOutputCleanup/cache.properties b/kotlin/leap/.gradle/buildOutputCleanup/cache.properties
new file mode 100644
index 0000000..cad43bb
--- /dev/null
+++ b/kotlin/leap/.gradle/buildOutputCleanup/cache.properties
@@ -0,0 +1,2 @@
+#Mon Jun 05 09:41:36 EDT 2017
+gradle.version=3.5
diff --git a/kotlin/leap/.gradle/buildOutputCleanup/cache.properties.lock b/kotlin/leap/.gradle/buildOutputCleanup/cache.properties.lock
new file mode 100644
index 0000000..40fdece
--- /dev/null
+++ b/kotlin/leap/.gradle/buildOutputCleanup/cache.properties.lock
@@ -0,0 +1 @@
+


\ No newline at end of file
diff --git a/kotlin/leap/.idea/compiler.xml b/kotlin/leap/.idea/compiler.xml
new file mode 100644
index 0000000..6e2fde1
--- /dev/null
+++ b/kotlin/leap/.idea/compiler.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel>
+      <module name="leap_main" target="1.8" />
+      <module name="leap_test" target="1.8" />
+    </bytecodeTargetLevel>
+  </component>
+</project>
\ No newline at end of file
diff --git a/kotlin/leap/.idea/gradle.xml b/kotlin/leap/.idea/gradle.xml
new file mode 100644
index 0000000..346dc7e
--- /dev/null
+++ b/kotlin/leap/.idea/gradle.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="distributionType" value="LOCAL" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleHome" value="C:/Gradle/gradle-3.5" />
+        <option name="gradleJvm" value="#JAVA_HOME" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+          </set>
+        </option>
+        <option name="useAutoImport" value="true" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/kotlin/leap/.idea/libraries/Gradle__junit_junit_4_12.xml b/kotlin/leap/.idea/libraries/Gradle__junit_junit_4_12.xml
new file mode 100644
index 0000000..04c10dd
--- /dev/null
+++ b/kotlin/leap/.idea/libraries/Gradle__junit_junit_4_12.xml
@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="Gradle: junit:junit:4.12">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/junit/junit/4.12/2973d150c0dc1fefe998f834810d68f278ea58ec/junit-4.12.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/junit/junit/4.12/a6c32b40bf3d76eca54e3c601e5d1470c86fcdfa/junit-4.12-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/kotlin/leap/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml b/kotlin/leap/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml
new file mode 100644
index 0000000..8262f72
--- /dev/null
+++ b/kotlin/leap/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3.xml
@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="Gradle: org.hamcrest:hamcrest-core:1.3">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.hamcrest/hamcrest-core/1.3/42a25dc3219429f0e5d060061f71acb49bf010a0/hamcrest-core-1.3.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.hamcrest/hamcrest-core/1.3/1dc37250fbc78e23a65a67fbbaf71d2e9cbc3c0b/hamcrest-core-1.3-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/kotlin/leap/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml b/kotlin/leap/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml
new file mode 100644
index 0000000..4f32fde
--- /dev/null
+++ b/kotlin/leap/.idea/libraries/Gradle__org_jetbrains_annotations_13_0.xml
@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="Gradle: org.jetbrains:annotations:13.0">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains/annotations/13.0/919f0dfe192fb4e063e7dacadee7f8bb9a2672a9/annotations-13.0.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains/annotations/13.0/5991ca87ef1fb5544943d9abc5a9a37583fabe03/annotations-13.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/kotlin/leap/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml b/kotlin/leap/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml
new file mode 100644
index 0000000..7b6f562
--- /dev/null
+++ b/kotlin/leap/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_1_1.xml
@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="Gradle: org.jetbrains.kotlin:kotlin-stdlib:1.1.1">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib/1.1.1/98e484e67f913e934559f7f55f0c94be5593f03c/kotlin-stdlib-1.1.1.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib/1.1.1/a287944d92875a1f3c2161e5cddaede7720913d1/kotlin-stdlib-1.1.1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/kotlin/leap/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml b/kotlin/leap/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml
new file mode 100644
index 0000000..1720158
--- /dev/null
+++ b/kotlin/leap/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_1_1_1.xml
@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="Gradle: org.jetbrains.kotlin:kotlin-test:1.1.1">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-test/1.1.1/5a852a554eb4f9fb93efdffa352b7983ed595e32/kotlin-test-1.1.1.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-test/1.1.1/4b9a869f86569edea4a07d19b9749ac835fb7207/kotlin-test-1.1.1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/kotlin/leap/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml b/kotlin/leap/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml
new file mode 100644
index 0000000..21c5d19
--- /dev/null
+++ b/kotlin/leap/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_test_junit_1_1_1.xml
@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="Gradle: org.jetbrains.kotlin:kotlin-test-junit:1.1.1">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-test-junit/1.1.1/a1865f59b6f72597452e5bdfefeb14d13bc31c7d/kotlin-test-junit-1.1.1.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-test-junit/1.1.1/ed59de63c4565c708124caaa4e86562a780f9ba0/kotlin-test-junit-1.1.1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/kotlin/leap/.idea/misc.xml b/kotlin/leap/.idea/misc.xml
new file mode 100644
index 0000000..3e1805e
--- /dev/null
+++ b/kotlin/leap/.idea/misc.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="Java 1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/classes" />
+  </component>
+  <component name="masterDetails">
+    <states>
+      <state key="ProjectJDKs.UI">
+        <settings>
+          <last-edited>1.8</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+    </states>
+  </component>
+</project>
\ No newline at end of file
diff --git a/kotlin/leap/.idea/modules.xml b/kotlin/leap/.idea/modules.xml
new file mode 100644
index 0000000..92559db
--- /dev/null
+++ b/kotlin/leap/.idea/modules.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/leap.iml" filepath="$PROJECT_DIR$/leap.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/leap_main.iml" filepath="$PROJECT_DIR$/.idea/modules/leap_main.iml" group="leap" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/leap_test.iml" filepath="$PROJECT_DIR$/.idea/modules/leap_test.iml" group="leap" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/kotlin/leap/.idea/modules/leap_main.iml b/kotlin/leap/.idea/modules/leap_main.iml
new file mode 100644
index 0000000..31bfae6
--- /dev/null
+++ b/kotlin/leap/.idea/modules/leap_main.iml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module external.linked.project.id="leap:main" external.linked.project.path="$MODULE_DIR$/../.." external.root.project.path="$MODULE_DIR$/../.." external.system.id="GRADLE" external.system.module.group="" external.system.module.type="sourceSet" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="kotlin-language" name="Kotlin">
+      <configuration version="2" platform="JVM 1.6" useProjectSettings="false">
+        <compilerSettings />
+        <compilerArguments>
+          <option name="noStdlib" value="true" />
+          <option name="noReflect" value="true" />
+          <option name="moduleName" value="leap_main" />
+          <option name="jvmTarget" value="1.6" />
+          <option name="addCompilerBuiltIns" value="true" />
+          <option name="loadBuiltInsFromDependencies" value="true" />
+          <option name="languageVersion" value="1.1" />
+          <option name="apiVersion" value="1.1" />
+          <option name="pluginClasspaths">
+            <array />
+          </option>
+          <option name="coroutinesWarn" value="true" />
+          <option name="pluginOptions">
+            <array />
+          </option>
+        </compilerArguments>
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
+    <output url="file://$MODULE_DIR$/../../build/classes/main" />
+    <exclude-output />
+    <content url="file://$MODULE_DIR$/../../src/main">
+      <sourceFolder url="file://$MODULE_DIR$/../../src/main/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/../../src/main/kotlin" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/../../src/main/resources" type="java-resource" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="Gradle: org.jetbrains.kotlin:kotlin-stdlib:1.1.1" level="project" />
+    <orderEntry type="library" name="Gradle: org.jetbrains:annotations:13.0" level="project" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/kotlin/leap/.idea/modules/leap_test.iml b/kotlin/leap/.idea/modules/leap_test.iml
new file mode 100644
index 0000000..6e32a07
--- /dev/null
+++ b/kotlin/leap/.idea/modules/leap_test.iml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module external.linked.project.id="leap:test" external.linked.project.path="$MODULE_DIR$/../.." external.root.project.path="$MODULE_DIR$/../.." external.system.id="GRADLE" external.system.module.group="" external.system.module.type="sourceSet" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="kotlin-language" name="Kotlin">
+      <configuration version="2" platform="JVM 1.6" useProjectSettings="false">
+        <compilerSettings />
+        <compilerArguments>
+          <option name="noStdlib" value="true" />
+          <option name="noReflect" value="true" />
+          <option name="moduleName" value="leap_main" />
+          <option name="jvmTarget" value="1.6" />
+          <option name="addCompilerBuiltIns" value="true" />
+          <option name="loadBuiltInsFromDependencies" value="true" />
+          <option name="languageVersion" value="1.1" />
+          <option name="apiVersion" value="1.1" />
+          <option name="pluginClasspaths">
+            <array />
+          </option>
+          <option name="coroutinesWarn" value="true" />
+          <option name="pluginOptions">
+            <array />
+          </option>
+        </compilerArguments>
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
+    <output-test url="file://$MODULE_DIR$/../../build/classes/test" />
+    <exclude-output />
+    <content url="file://$MODULE_DIR$/../../src/test">
+      <sourceFolder url="file://$MODULE_DIR$/../../src/test/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../src/test/kotlin" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../src/test/resources" type="java-test-resource" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module" module-name="leap_main" />
+    <orderEntry type="library" name="Gradle: org.jetbrains.kotlin:kotlin-stdlib:1.1.1" level="project" />
+    <orderEntry type="library" name="Gradle: junit:junit:4.12" level="project" />
+    <orderEntry type="library" name="Gradle: org.jetbrains.kotlin:kotlin-test-junit:1.1.1" level="project" />
+    <orderEntry type="library" name="Gradle: org.jetbrains:annotations:13.0" level="project" />
+    <orderEntry type="library" name="Gradle: org.hamcrest:hamcrest-core:1.3" level="project" />
+    <orderEntry type="library" name="Gradle: org.jetbrains.kotlin:kotlin-test:1.1.1" level="project" />
+  </component>
+  <component name="TestModuleProperties" production-module="leap_main" />
+</module>
\ No newline at end of file
diff --git a/kotlin/leap/.idea/workspace.xml b/kotlin/leap/.idea/workspace.xml
new file mode 100644
index 0000000..9dfe018
--- /dev/null
+++ b/kotlin/leap/.idea/workspace.xml
@@ -0,0 +1,1003 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="ebf459f4-5c26-4e3c-9034-371d718363f0" name="Default" comment="" />
+    <ignored path="$PROJECT_DIR$/.gradle/" />
+    <ignored path="$PROJECT_DIR$/build/" />
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="TRACKING_ENABLED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="ExecutionTargetManager" SELECTED_TARGET="default_target" />
+  <component name="ExternalProjectsData">
+    <projectState path="$PROJECT_DIR$">
+      <ProjectState />
+    </projectState>
+  </component>
+  <component name="FileEditorManager">
+    <leaf>
+      <file leaf-file-name="README.md" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/README.md">
+          <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+            <state split_layout="SPLIT">
+              <first_editor relative-caret-position="0">
+                <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+                <folding />
+              </first_editor>
+              <second_editor />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="LeapTest.kt" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/src/test/kotlin/LeapTest.kt">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="266">
+              <caret line="17" column="5" lean-forward="true" selection-start-line="17" selection-start-column="5" selection-end-line="17" selection-end-column="5" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="Year.kt" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/main/kotlin/Year.kt">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="76">
+              <caret line="4" column="1" lean-forward="false" selection-start-line="4" selection-start-column="1" selection-end-line="4" selection-end-column="1" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="FileTemplateManagerImpl">
+    <option name="RECENT_TEMPLATES">
+      <list>
+        <option value="Kotlin Class" />
+      </list>
+    </option>
+  </component>
+  <component name="FindInProjectRecents">
+    <findStrings>
+      <find>@ignore</find>
+    </findStrings>
+  </component>
+  <component name="GradleLocalSettings">
+    <option name="myGradleHomes">
+      <map>
+        <entry key="$PROJECT_DIR$" value="C:\Gradle\gradle-3.5" />
+      </map>
+    </option>
+    <option name="myGradleVersions">
+      <map>
+        <entry key="$PROJECT_DIR$" value="3.5" />
+      </map>
+    </option>
+    <option name="availableProjects">
+      <map>
+        <entry>
+          <key>
+            <ExternalProjectPojo>
+              <option name="name" value="leap" />
+              <option name="path" value="$PROJECT_DIR$" />
+            </ExternalProjectPojo>
+          </key>
+          <value>
+            <list>
+              <ExternalProjectPojo>
+                <option name="name" value="leap" />
+                <option name="path" value="$PROJECT_DIR$" />
+              </ExternalProjectPojo>
+            </list>
+          </value>
+        </entry>
+      </map>
+    </option>
+    <option name="availableTasks">
+      <map>
+        <entry key="$PROJECT_DIR$">
+          <value>
+            <list>
+              <ExternalTaskPojo>
+                <option name="description" value="Displays the components produced by root project 'leap'. [incubating]" />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="components" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Assembles and tests this project and all projects that depend on it." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="buildDependents" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Displays the sub-projects of root project 'leap'." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="projects" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Assembles main classes." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="classes" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Displays the dependent components of components in root project 'leap'. [incubating]" />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="dependentComponents" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Displays all buildscript dependencies declared in root project 'leap'." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="buildEnvironment" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Generates Gradle wrapper files." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="wrapper" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Assembles test classes." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="testClasses" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Generates Javadoc API documentation for the main source code." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="javadoc" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Assembles a jar archive containing the main classes." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="jar" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Displays the configuration model of root project 'leap'. [incubating]" />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="model" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="copyMainKotlinClasses" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Processes main resources." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="processResources" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Displays the tasks runnable from root project 'leap'." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="tasks" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Initializes a new Gradle build." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="init" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="copyTestKotlinClasses" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Runs the unit tests." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="test" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Compiles main Java source." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="compileJava" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Compiles the source set 'test'.kotlin." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="compileTestKotlin" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Displays the insight into a specific dependency in root project 'leap'." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="dependencyInsight" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Runs all checks." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="check" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Assembles the outputs of this project." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="assemble" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Deletes the build directory." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="clean" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Compiles test Java source." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="compileTestJava" />
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+              <ExternalTaskPojo>
+                <option name="description" value="Displays all dependencies declared in root project 'leap'." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="dependencies" />
+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Processes test resources." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="processTestResources" />
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+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="help" />
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+              <ExternalTaskPojo>
+                <option name="description" value="Compiles the source set 'main'.kotlin." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
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+              </ExternalTaskPojo>
+              <ExternalTaskPojo>
+                <option name="description" value="Assembles and tests this project." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
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+                <option name="description" value="Assembles and tests this project and all projects it depends on." />
+                <option name="linkedExternalProjectPath" value="$PROJECT_DIR$" />
+                <option name="name" value="buildNeeded" />
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+              <ExternalTaskPojo>
+                <option name="description" value="Displays the properties of root project 'leap'." />
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+                <option name="name" value="properties" />
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+      <window_info id="Inspection" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
+    </layout>
+  </component>
+  <component name="VcsContentAnnotationSettings">
+    <option name="myLimit" value="2678400000" />
+  </component>
+  <component name="XDebuggerManager">
+    <breakpoint-manager />
+    <watches-manager />
+  </component>
+  <component name="antWorkspaceConfiguration">
+    <option name="IS_AUTOSCROLL_TO_SOURCE" value="false" />
+    <option name="FILTER_TARGETS" value="false" />
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/README.md">
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="0">
+            <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+            <folding />
+          </first_editor>
+          <second_editor />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/kotlin/Year.kt">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="76">
+          <caret line="4" column="1" lean-forward="false" selection-start-line="4" selection-start-column="1" selection-end-line="4" selection-end-column="1" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/test/kotlin/LeapTest.kt">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="266">
+          <caret line="17" column="5" lean-forward="true" selection-start-line="17" selection-start-column="5" selection-end-line="17" selection-end-column="5" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+  </component>
+</project>
\ No newline at end of file
diff --git a/kotlin/leap/README.md b/kotlin/leap/README.md
new file mode 100644
index 0000000..cc48066
--- /dev/null
+++ b/kotlin/leap/README.md
@@ -0,0 +1,35 @@
+# Leap
+
+Given a year, report if it is a leap year.
+
+The tricky thing here is that a leap year in the Gregorian calendar occurs:
+
+```plain
+on every year that is evenly divisible by 4
+  except every year that is evenly divisible by 100
+    unless the year is also evenly divisible by 400
+```
+
+For example, 1997 is not a leap year, but 1996 is.  1900 is not a leap
+year, but 2000 is.
+
+If your language provides a method in the standard library that does
+this look-up, pretend it doesn't exist and implement it yourself.
+
+## Notes
+
+Though our exercise adopts some very simple rules, there is more to
+learn!
+
+For a delightful, four minute explanation of the whole leap year
+phenomenon, go watch [this youtube video][video].
+
+[video]: http://www.youtube.com/watch?v=xX96xng7sAE
+
+## Source
+
+JavaRanch Cattle Drive, exercise 3 [http://www.javaranch.com/leap.jsp](http://www.javaranch.com/leap.jsp)
+
+## Submitting Incomplete Solutions
+It's possible to submit an incomplete solution so you can see how others have completed the exercise.
+
diff --git a/kotlin/leap/build.gradle b/kotlin/leap/build.gradle
new file mode 100644
index 0000000..16c36c0
--- /dev/null
+++ b/kotlin/leap/build.gradle
@@ -0,0 +1,28 @@
+buildscript {
+  ext.kotlin_version = '1.1.1'
+  repositories {
+    mavenCentral()
+  }
+  dependencies {
+    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+  }
+}
+
+apply plugin: 'kotlin'
+
+repositories {
+  mavenCentral()
+}
+
+dependencies {
+  compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+
+  testCompile 'junit:junit:4.12'
+  testCompile "org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version"
+}
+test {
+  testLogging {
+    exceptionFormat = 'full'
+    events = ["passed", "failed", "skipped"]
+  }
+}
diff --git a/kotlin/leap/build/classes/main/Year$isLeap$2.class b/kotlin/leap/build/classes/main/Year$isLeap$2.class
new file mode 100644
index 0000000..8b2be84
Binary files /dev/null and b/kotlin/leap/build/classes/main/Year$isLeap$2.class differ
diff --git a/kotlin/leap/build/classes/main/Year.class b/kotlin/leap/build/classes/main/Year.class
new file mode 100644
index 0000000..6c8ab8b
Binary files /dev/null and b/kotlin/leap/build/classes/main/Year.class differ
diff --git a/kotlin/leap/build/classes/test/LeapTest.class b/kotlin/leap/build/classes/test/LeapTest.class
new file mode 100644
index 0000000..655740d
Binary files /dev/null and b/kotlin/leap/build/classes/test/LeapTest.class differ
diff --git a/kotlin/leap/build/kotlin-build/caches/version.txt b/kotlin/leap/build/kotlin-build/caches/version.txt
new file mode 100644
index 0000000..01aabac
--- /dev/null
+++ b/kotlin/leap/build/kotlin-build/caches/version.txt
@@ -0,0 +1 @@
+11001
\ No newline at end of file
diff --git a/kotlin/leap/leap.iml b/kotlin/leap/leap.iml
new file mode 100644
index 0000000..27fbdd9
--- /dev/null
+++ b/kotlin/leap/leap.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module external.linked.project.id="leap" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.gradle" />
+      <excludeFolder url="file://$MODULE_DIR$/build" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/kotlin/leap/src/main/kotlin/.keep b/kotlin/leap/src/main/kotlin/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/kotlin/leap/src/main/kotlin/Year.kt b/kotlin/leap/src/main/kotlin/Year.kt
new file mode 100644
index 0000000..d5ccd44
--- /dev/null
+++ b/kotlin/leap/src/main/kotlin/Year.kt
@@ -0,0 +1,5 @@
+class Year(val year: Int) {
+    val isLeap: Boolean by lazy {
+        ((year.rem(4) == 0) && (!(year.rem(100) == 0) || (year.rem(400) == 0)))
+    }
+}
\ No newline at end of file
diff --git a/kotlin/leap/src/test/kotlin/LeapTest.kt b/kotlin/leap/src/test/kotlin/LeapTest.kt
new file mode 100644
index 0000000..3db5676
--- /dev/null
+++ b/kotlin/leap/src/test/kotlin/LeapTest.kt
@@ -0,0 +1,49 @@
+import org.junit.Test
+import org.junit.Ignore
+import kotlin.test.assertFalse
+import kotlin.test.assertTrue
+
+class LeapTest {
+
+
+    @Test
+    fun leapYear() {
+        assertTrue(Year(1996).isLeap)
+    }
+
+    
+    @Test
+    fun standardOddYear() {
+        assertFalse(Year(1997).isLeap)
+    }
+
+    
+    @Test
+    fun standardEvenYear() {
+        assertFalse(Year(1998).isLeap)
+    }
+
+    
+    @Test
+    fun standardNineteenthCentury() {
+        assertFalse(Year(1900).isLeap)
+    }
+
+    
+    @Test
+    fun standardEighteenthCentury() {
+        assertFalse(Year(1800).isLeap)
+    }
+
+    
+    @Test
+    fun leapTwentyFourthCentury() {
+        assertTrue(Year(2400).isLeap)
+    }
+
+    
+    @Test
+    fun leapY2K() {
+        assertTrue(Year(2000).isLeap)
+    }
+}
diff --git a/kotlin/perfect-numbers/.idea/workspace.xml b/kotlin/perfect-numbers/.idea/workspace.xml
index 888c9e3..a8b3816 100644
--- a/kotlin/perfect-numbers/.idea/workspace.xml
+++ b/kotlin/perfect-numbers/.idea/workspace.xml
@@ -47,7 +47,7 @@
       <file leaf-file-name="NaturalNumber.kt" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/src/main/kotlin/NaturalNumber.kt">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="267">
+            <state relative-caret-position="361">
               <caret line="19" column="51" lean-forward="false" selection-start-line="19" selection-start-column="51" selection-end-line="19" selection-end-column="51" />
               <folding />
             </state>
@@ -479,7 +479,7 @@
     </panes>
   </component>
   <component name="PropertiesComponent">
-    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$/../leap" />
   </component>
   <component name="PsiViewer.ProjectComponent">
     <option name="HIGHLIGHT" value="false" />
@@ -943,7 +943,7 @@
       <window_info id="Image Layers" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
       <window_info id="Capture Analysis" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
       <window_info id="PsiViewer" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
-      <window_info id="Run" active="true" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.32896176" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
+      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32896176" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="false" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
       <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="-1" side_tool="false" content_ui="tabs" />
       <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
@@ -995,7 +995,7 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/src/main/kotlin/NaturalNumber.kt">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="267">
+        <state relative-caret-position="361">
           <caret line="19" column="51" lean-forward="false" selection-start-line="19" selection-start-column="51" selection-end-line="19" selection-end-column="51" />
           <folding />
         </state>