diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 10154c7..c2fe015 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -29,7 +29,7 @@
       <file leaf-file-name="Numbers.java" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/Numbers.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="561">
+            <state vertical-scroll-proportion="0.0" vertical-offset="425" max-vertical-offset="561">
               <caret line="25" column="5" selection-start-line="25" selection-start-column="5" selection-end-line="25" selection-end-column="5" />
               <folding />
             </state>
@@ -39,7 +39,7 @@
       <file leaf-file-name="DrawingTools.java" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/DrawingTools.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="306">
+            <state vertical-scroll-proportion="0.0" vertical-offset="119" max-vertical-offset="306">
               <caret line="7" column="0" selection-start-line="7" selection-start-column="0" selection-end-line="7" selection-end-column="0" />
               <folding />
             </state>
@@ -49,7 +49,7 @@
       <file leaf-file-name="PythagorasTree.java" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/src/PythagorasTree.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.8851455" vertical-offset="204" max-vertical-offset="1326">
+            <state vertical-scroll-proportion="0.73257285" vertical-offset="204" max-vertical-offset="1326">
               <caret line="46" column="29" selection-start-line="46" selection-start-column="29" selection-end-line="46" selection-end-column="29" />
               <folding>
                 <element signature="imports" expanded="true" />
@@ -61,7 +61,7 @@
       <file leaf-file-name="TurtleState.java" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/TurtleState.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="476">
+            <state vertical-scroll-proportion="0.0" vertical-offset="272" max-vertical-offset="476">
               <caret line="16" column="27" selection-start-line="16" selection-start-column="27" selection-end-line="16" selection-end-column="27" />
               <folding />
             </state>
@@ -83,7 +83,7 @@
       <file leaf-file-name="PythagorasTreeQueue.java" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/PythagorasTreeQueue.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="408">
+            <state vertical-scroll-proportion="0.0" vertical-offset="306" max-vertical-offset="408">
               <caret line="18" column="0" selection-start-line="18" selection-start-column="0" selection-end-line="18" selection-end-column="0" />
               <folding>
                 <element signature="imports" expanded="true" />
@@ -213,8 +213,8 @@
           </PATH>
         </subPane>
       </pane>
-      <pane id="Scope" />
       <pane id="PackagesPane" />
+      <pane id="Scope" />
     </panes>
   </component>
   <component name="PropertiesComponent">
@@ -356,6 +356,12 @@
       <method />
     </configuration>
     <configuration default="true" type="js.build_tools.gulp" factoryName="Gulp.js">
+      <node-options />
+      <gulpfile />
+      <tasks />
+      <arguments />
+      <pass-parent-envs>true</pass-parent-envs>
+      <envs />
       <method />
     </configuration>
     <configuration default="true" type="FlexUnitRunConfigurationType" factoryName="FlexUnit" appDescriptorForEmulator="Android" class_name="" emulatorAdlOptions="" method_name="" package_name="" scope="Class">
@@ -517,11 +523,12 @@
       <option name="number" value="Default" />
       <updated>1423576956527</updated>
       <workItem from="1423576961426" duration="10022000" />
+      <workItem from="1423641822681" duration="49000" />
     </task>
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="10022000" />
+    <option name="totallyTimeSpent" value="10071000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="-8" y="-8" width="1456" height="939" extended-state="6" />
@@ -530,7 +537,6 @@
       <window_info id="Changes" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="8" side_tool="false" content_ui="tabs" />
       <window_info id="Palette" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
       <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="13" side_tool="false" content_ui="tabs" />
-      <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.32975295" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
       <window_info id="IDEtalk" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
       <window_info id="Palette&#9;" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" 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="SLIDING" type="SLIDING" visible="false" weight="0.4" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
@@ -538,22 +544,23 @@
       <window_info id="Application Servers" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="2" 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" weight="0.33" sideWeight="0.5" order="1" 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" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
-      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.16385542" sideWeight="0.5" order="9" side_tool="false" content_ui="tabs" />
       <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
       <window_info id="Designer" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" 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" weight="0.1875" sideWeight="0.5" order="2" side_tool="false" content_ui="combo" />
+      <window_info id="Project" active="true" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.1875" sideWeight="0.5" order="2" side_tool="false" content_ui="combo" />
       <window_info id="IDEtalk Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
       <window_info id="Database" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" 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" weight="0.25" sideWeight="0.5" order="4" 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" weight="0.25" sideWeight="0.5" order="6" 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" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
       <window_info id="Favorites" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="1" side_tool="true" content_ui="tabs" />
-      <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.39957035" sideWeight="0.5" order="10" side_tool="false" content_ui="tabs" />
       <window_info id="Cvs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.25" sideWeight="0.5" order="11" side_tool="false" content_ui="tabs" />
-      <window_info id="Hierarchy" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.25" sideWeight="0.5" order="7" side_tool="false" content_ui="combo" />
       <window_info id="Message" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
-      <window_info id="Find" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="Hierarchy" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.25" sideWeight="0.5" order="7" side_tool="false" content_ui="combo" />
+      <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.39957035" sideWeight="0.5" order="10" side_tool="false" content_ui="tabs" />
+      <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.32975295" 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" weight="0.4" sideWeight="0.5" order="12" side_tool="false" content_ui="tabs" />
+      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.16385542" sideWeight="0.5" order="9" side_tool="false" content_ui="tabs" />
+      <window_info id="Find" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
     </layout>
   </component>
   <component name="Vcs.Log.UiProperties">
@@ -583,6 +590,90 @@
     <option name="FILTER_TARGETS" value="false" />
   </component>
   <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/src/Numbers.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0" vertical-offset="425" max-vertical-offset="561">
+          <caret line="25" column="5" selection-start-line="25" selection-start-column="5" selection-end-line="25" selection-end-column="5" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/DrawingTools.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0" vertical-offset="119" max-vertical-offset="306">
+          <caret line="7" column="0" selection-start-line="7" selection-start-column="0" selection-end-line="7" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/PythagorasTree.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="1326">
+          <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/TurtleState.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0" vertical-offset="272" max-vertical-offset="476">
+          <caret line="16" column="27" selection-start-line="16" selection-start-column="27" selection-end-line="16" selection-end-column="27" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/Main.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0" vertical-offset="805" max-vertical-offset="3536">
+          <caret line="59" column="124" selection-start-line="59" selection-start-column="124" selection-end-line="59" selection-end-column="124" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/PythagorasTreeQueue.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0" vertical-offset="306" max-vertical-offset="408">
+          <caret line="18" column="0" selection-start-line="18" selection-start-column="0" selection-end-line="18" selection-end-column="0" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/PythagorasTriangle.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0" vertical-offset="914" max-vertical-offset="1445">
+          <caret line="72" column="0" selection-start-line="72" selection-start-column="0" selection-end-line="72" selection-end-column="0" />
+          <folding>
+            <element signature="e#1884#1885#0" expanded="true" />
+            <element signature="e#1921#1922#0" expanded="true" />
+            <element signature="e#1957#1958#0" expanded="true" />
+            <element signature="e#1989#1990#0" expanded="true" />
+            <element signature="e#2069#2070#0" expanded="true" />
+            <element signature="e#2106#2107#0" expanded="true" />
+            <element signature="e#2139#2140#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/PythagorasTriangleList.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0" vertical-offset="64" max-vertical-offset="595">
+          <caret line="28" column="0" selection-start-line="28" selection-start-column="0" selection-end-line="28" selection-end-column="0" />
+          <folding>
+            <element signature="e#558#559#0" expanded="true" />
+            <element signature="e#616#617#0" expanded="true" />
+            <element signature="e#771#772#0" expanded="true" />
+            <element signature="e#834#835#0" expanded="true" />
+            <element signature="e#949#950#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/src/Numbers.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0" vertical-offset="0" max-vertical-offset="561">
@@ -595,10 +686,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="-7.08" vertical-offset="316" max-vertical-offset="2363">
           <caret line="43" column="16" selection-start-line="43" selection-start-column="16" selection-end-line="43" selection-end-column="16" />
-          <folding>
-            <element signature="e#1083#1084#0" expanded="true" />
-            <element signature="e#1117#1118#0" expanded="true" />
-          </folding>
         </state>
       </provider>
     </entry>
@@ -606,12 +693,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.3320158" vertical-offset="223" max-vertical-offset="2958">
           <caret line="37" column="19" selection-start-line="37" selection-start-column="19" selection-end-line="37" selection-end-column="19" />
-          <folding>
-            <element signature="e#999#1000#0" expanded="true" />
-            <element signature="e#1063#1064#0" expanded="true" />
-            <element signature="e#2411#2412#0" expanded="true" />
-            <element signature="e#2469#2470#0" expanded="true" />
-          </folding>
         </state>
       </provider>
     </entry>
@@ -649,7 +730,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="-3.7777777" vertical-offset="30226" max-vertical-offset="36686">
           <caret line="1982" column="30" selection-start-line="1982" selection-start-column="19" selection-end-line="1982" selection-end-column="30" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -691,7 +771,7 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/src/PythagorasTree.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.8851455" vertical-offset="204" max-vertical-offset="1326">
+        <state vertical-scroll-proportion="0.73257285" vertical-offset="204" max-vertical-offset="1326">
           <caret line="46" column="29" selection-start-line="46" selection-start-column="29" selection-end-line="46" selection-end-column="29" />
           <folding>
             <element signature="imports" expanded="true" />