diff --git a/.gitignore b/.gitignore
index 5ec989b..25a8515 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,6 @@
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
+
+/.idea/libraries/
+/.idea/workspace.xml
diff --git a/.idea/codeStyleSettings.xml b/.idea/codeStyleSettings.xml
new file mode 100644
index 0000000..bcea045
--- /dev/null
+++ b/.idea/codeStyleSettings.xml
@@ -0,0 +1,104 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectCodeStyleSettingsManager">
+    <option name="PER_PROJECT_SETTINGS">
+      <value>
+        <option name="GENERATE_FINAL_LOCALS" value="true" />
+        <option name="GENERATE_FINAL_PARAMETERS" value="true" />
+        <option name="VISIBILITY" value="packageLocal" />
+        <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="9999" />
+        <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="9999" />
+        <option name="PACKAGES_TO_USE_IMPORT_ON_DEMAND">
+          <value />
+        </option>
+        <option name="IMPORT_LAYOUT_TABLE">
+          <value>
+            <package name="" withSubpackages="true" static="false" />
+            <emptyLine />
+            <package name="" withSubpackages="true" static="true" />
+            <emptyLine />
+            <package name="java" withSubpackages="true" static="false" />
+            <emptyLine />
+            <package name="javax" withSubpackages="true" static="false" />
+            <emptyLine />
+            <package name="org.springframework" withSubpackages="true" static="false" />
+            <emptyLine />
+            <package name="uk.ac.fife" withSubpackages="true" static="false" />
+            <emptyLine />
+            <package name="net.kemitix" withSubpackages="true" static="false" />
+          </value>
+        </option>
+        <option name="JD_ADD_BLANK_AFTER_PARM_COMMENTS" value="true" />
+        <option name="JD_ADD_BLANK_AFTER_RETURN" value="true" />
+        <option name="WRAP_COMMENTS" value="true" />
+        <JavaCodeStyleSettings>
+          <option name="ANNOTATION_PARAMETER_WRAP" value="1" />
+        </JavaCodeStyleSettings>
+        <XML>
+          <option name="XML_LEGACY_SETTINGS_IMPORTED" value="true" />
+        </XML>
+        <codeStyleSettings language="JAVA">
+          <option name="RIGHT_MARGIN" value="80" />
+          <option name="KEEP_LINE_BREAKS" value="false" />
+          <option name="KEEP_FIRST_COLUMN_COMMENT" value="false" />
+          <option name="KEEP_CONTROL_STATEMENT_IN_ONE_LINE" value="false" />
+          <option name="KEEP_BLANK_LINES_IN_DECLARATIONS" value="1" />
+          <option name="KEEP_BLANK_LINES_IN_CODE" value="1" />
+          <option name="KEEP_BLANK_LINES_BEFORE_RBRACE" value="1" />
+          <option name="BLANK_LINES_AROUND_FIELD" value="1" />
+          <option name="BLANK_LINES_AROUND_FIELD_IN_INTERFACE" value="1" />
+          <option name="BLANK_LINES_AFTER_CLASS_HEADER" value="1" />
+          <option name="INDENT_CASE_FROM_SWITCH" value="false" />
+          <option name="ALIGN_MULTILINE_CHAINED_METHODS" value="true" />
+          <option name="ALIGN_MULTILINE_THROWS_LIST" value="true" />
+          <option name="SPACE_BEFORE_ARRAY_INITIALIZER_LBRACE" value="true" />
+          <option name="SPACE_BEFORE_ANNOTATION_ARRAY_INITIALIZER_LBRACE" value="true" />
+          <option name="CALL_PARAMETERS_WRAP" value="1" />
+          <option name="METHOD_PARAMETERS_WRAP" value="1" />
+          <option name="METHOD_PARAMETERS_LPAREN_ON_NEXT_LINE" value="true" />
+          <option name="RESOURCE_LIST_WRAP" value="1" />
+          <option name="EXTENDS_LIST_WRAP" value="1" />
+          <option name="THROWS_LIST_WRAP" value="1" />
+          <option name="EXTENDS_KEYWORD_WRAP" value="1" />
+          <option name="THROWS_KEYWORD_WRAP" value="1" />
+          <option name="METHOD_CALL_CHAIN_WRAP" value="5" />
+          <option name="BINARY_OPERATION_WRAP" value="1" />
+          <option name="BINARY_OPERATION_SIGN_ON_NEXT_LINE" value="true" />
+          <option name="TERNARY_OPERATION_WRAP" value="5" />
+          <option name="TERNARY_OPERATION_SIGNS_ON_NEXT_LINE" value="true" />
+          <option name="FOR_STATEMENT_WRAP" value="1" />
+          <option name="ARRAY_INITIALIZER_WRAP" value="1" />
+          <option name="ASSIGNMENT_WRAP" value="1" />
+          <option name="PLACE_ASSIGNMENT_SIGN_ON_NEXT_LINE" value="true" />
+          <option name="ASSERT_STATEMENT_WRAP" value="1" />
+          <option name="ASSERT_STATEMENT_COLON_ON_NEXT_LINE" value="true" />
+          <option name="IF_BRACE_FORCE" value="3" />
+          <option name="DOWHILE_BRACE_FORCE" value="3" />
+          <option name="WHILE_BRACE_FORCE" value="3" />
+          <option name="FOR_BRACE_FORCE" value="3" />
+          <option name="WRAP_LONG_LINES" value="true" />
+          <option name="PARAMETER_ANNOTATION_WRAP" value="1" />
+          <option name="VARIABLE_ANNOTATION_WRAP" value="1" />
+          <option name="ENUM_CONSTANTS_WRAP" value="1" />
+          <arrangement>
+            <groups>
+              <group>
+                <type>GETTERS_AND_SETTERS</type>
+                <order>KEEP</order>
+              </group>
+              <group>
+                <type>OVERRIDDEN_METHODS</type>
+                <order>KEEP</order>
+              </group>
+              <group>
+                <type>DEPENDENT_METHODS</type>
+                <order>BREADTH_FIRST</order>
+              </group>
+            </groups>
+          </arrangement>
+        </codeStyleSettings>
+      </value>
+    </option>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..6dda909
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <option name="DEFAULT_COMPILER" value="Javac" />
+    <resourceExtensions />
+    <wildcardResourcePatterns>
+      <entry name="!?*.java" />
+      <entry name="!?*.form" />
+      <entry name="!?*.class" />
+      <entry name="!?*.groovy" />
+      <entry name="!?*.scala" />
+      <entry name="!?*.flex" />
+      <entry name="!?*.kt" />
+      <entry name="!?*.clj" />
+      <entry name="!?*.aj" />
+    </wildcardResourcePatterns>
+    <annotationProcessing>
+      <profile default="true" name="Default" enabled="false">
+        <processorPath useClasspath="true" />
+      </profile>
+      <profile default="false" name="Maven default annotation processors profile" enabled="true">
+        <sourceOutputDir name="target/generated-sources/annotations" />
+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <processorPath useClasspath="true" />
+        <module name="node" />
+      </profile>
+    </annotationProcessing>
+    <bytecodeTargetLevel>
+      <module name="node" target="1.8" />
+    </bytecodeTargetLevel>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 0000000..c0bce70
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$" charset="UTF-8" />
+    <file url="PROJECT" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..5c910ae
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectLevelVcsManager" settingsEditedManually="false">
+    <OptionsSetting value="true" id="Add" />
+    <OptionsSetting value="true" id="Remove" />
+    <OptionsSetting value="true" id="Checkout" />
+    <OptionsSetting value="true" id="Update" />
+    <OptionsSetting value="true" id="Status" />
+    <OptionsSetting value="true" id="Edit" />
+    <ConfirmationsSetting value="0" id="Add" />
+    <ConfirmationsSetting value="0" id="Remove" />
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_6" assert-keyword="true" jdk-15="true" project-jdk-name="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/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..935c7b9
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/node.iml" filepath="$PROJECT_DIR$/node.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/node.iml b/node.iml
new file mode 100644
index 0000000..6ad1e66
--- /dev/null
+++ b/node.iml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8" inherit-compiler-output="false">
+    <output url="file://$MODULE_DIR$/target/classes" />
+    <output-test url="file://$MODULE_DIR$/target/test-classes" />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" scope="TEST" name="Maven: junit:junit:4.12" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
+  </component>
+</module>
\ No newline at end of file