diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 0000000..e38c2bf
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,215 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AutoTestManager">
+    <enabled-run-configurations>
+      <run-configuration type="CargoCommandRunConfiguration" name="Test" />
+    </enabled-run-configurations>
+  </component>
+  <component name="BranchesTreeState">
+    <expand>
+      <path>
+        <item name="ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="LOCAL_ROOT" type="e8cecc67:BranchNodeDescriptor" />
+      </path>
+      <path>
+        <item name="ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="REMOTE_ROOT" type="e8cecc67:BranchNodeDescriptor" />
+      </path>
+      <path>
+        <item name="ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="REMOTE_ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="GROUP_NODE:origin" type="e8cecc67:BranchNodeDescriptor" />
+      </path>
+    </expand>
+    <select />
+  </component>
+  <component name="CMakeRunConfigurationManager" shouldGenerate="true" shouldDeleteObsolete="true">
+    <generated />
+  </component>
+  <component name="CMakeSettings">
+    <configurations>
+      <configuration PROFILE_NAME="Debug" CONFIG_NAME="Debug" />
+    </configurations>
+  </component>
+  <component name="CargoProjects">
+    <cargoProject FILE="$PROJECT_DIR$/Cargo.toml" />
+  </component>
+  <component name="ChangeListManager">
+    <list default="true" id="c707f519-d54c-4e1f-b3df-6e6186ea7625" name="Default Changelist" comment="Minor linting">
+      <change beforePath="$PROJECT_DIR$/src/storage/store.rs" beforeDir="false" afterPath="$PROJECT_DIR$/src/storage/store.rs" afterDir="false" />
+    </list>
+    <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="ClangdSettings">
+    <option name="formatViaClangd" value="false" />
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="MacroExpansionManager">
+    <option name="directoryName" value="7hdcero8" />
+  </component>
+  <component name="ProjectId" id="1kGH8rp7jVBUieWALzoYgaKARH2" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent">
+    <property name="ASKED_SHARE_PROJECT_CONFIGURATION_FILES" value="true" />
+    <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
+    <property name="SHARE_PROJECT_CONFIGURATION_FILES" value="true" />
+    <property name="WebServerToolWindowFactoryState" value="false" />
+    <property name="cf.first.check.clang-format" value="false" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="org.rust.cargo.project.model.PROJECT_DISCOVERY" value="true" />
+    <property name="settings.editor.selected.configurable" value="dynamic.analysis.tools.profiler" />
+  </component>
+  <component name="RunManager" selected="Cargo.Test">
+    <configuration name="Run" type="CargoCommandRunConfiguration" factoryName="Cargo Command" nameIsGenerated="true">
+      <option name="channel" value="DEFAULT" />
+      <option name="command" value="run" />
+      <option name="allFeatures" value="true" />
+      <option name="emulateTerminal" value="false" />
+      <option name="backtrace" value="SHORT" />
+      <option name="workingDirectory" value="file://$PROJECT_DIR$" />
+      <envs />
+      <method v="2">
+        <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="Test (nightly)" type="CargoCommandRunConfiguration" factoryName="Cargo Command">
+      <option name="channel" value="NIGHTLY" />
+      <option name="command" value="test" />
+      <option name="allFeatures" value="true" />
+      <option name="emulateTerminal" value="false" />
+      <option name="backtrace" value="FULL" />
+      <option name="workingDirectory" value="file://$PROJECT_DIR$" />
+      <envs />
+      <method v="2">
+        <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="Test" type="CargoCommandRunConfiguration" factoryName="Cargo Command">
+      <option name="channel" value="DEFAULT" />
+      <option name="command" value="test" />
+      <option name="allFeatures" value="true" />
+      <option name="emulateTerminal" value="false" />
+      <option name="backtrace" value="FULL" />
+      <option name="workingDirectory" value="file://$PROJECT_DIR$" />
+      <envs />
+      <method v="2">
+        <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
+      </method>
+    </configuration>
+    <list>
+      <item itemvalue="Cargo.Test" />
+      <item itemvalue="Cargo.Test (nightly)" />
+      <item itemvalue="Cargo.Run" />
+    </list>
+  </component>
+  <component name="RustProjectSettings">
+    <option name="toolchainHomeDirectory" value="$USER_HOME$/.cargo/bin" />
+  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="c707f519-d54c-4e1f-b3df-6e6186ea7625" name="Default Changelist" comment="" />
+      <created>1605319852432</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1605319852432</updated>
+      <workItem from="1605319854115" duration="1057000" />
+    </task>
+    <task id="LOCAL-00001" summary="Added CLion debugger and coverage">
+      <created>1605320835224</created>
+      <option name="number" value="00001" />
+      <option name="presentableId" value="LOCAL-00001" />
+      <option name="project" value="LOCAL" />
+      <updated>1605320835224</updated>
+    </task>
+    <task id="LOCAL-00002" summary="Minor linting">
+      <created>1605320903621</created>
+      <option name="number" value="00002" />
+      <option name="presentableId" value="LOCAL-00002" />
+      <option name="project" value="LOCAL" />
+      <updated>1605320903621</updated>
+    </task>
+    <option name="localTasksCounter" value="3" />
+    <servers />
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="3" />
+  </component>
+  <component name="Vcs.Log.Tabs.Properties">
+    <option name="TAB_STATES">
+      <map>
+        <entry key="MAIN">
+          <value>
+            <State />
+          </value>
+        </entry>
+      </map>
+    </option>
+  </component>
+  <component name="VcsManagerConfiguration">
+    <MESSAGE value="Added CLion debugger and coverage" />
+    <MESSAGE value="Minor linting" />
+    <option name="LAST_COMMIT_MESSAGE" value="Minor linting" />
+  </component>
+  <component name="WindowStateProjectService">
+    <state x="212" y="149" width="1076" height="692" key="#com.intellij.execution.impl.EditConfigurationsDialog" timestamp="1605320699754">
+      <screen x="0" y="27" width="1500" height="973" />
+    </state>
+    <state x="212" y="149" width="1076" height="692" key="#com.intellij.execution.impl.EditConfigurationsDialog/0.27.1500.973@0.27.1500.973" timestamp="1605320699754" />
+    <state x="100" y="117" width="1300" height="778" key="DiffContextDialog" timestamp="1605320910805">
+      <screen x="0" y="27" width="1500" height="973" />
+    </state>
+    <state x="100" y="117" width="1300" height="778" key="DiffContextDialog/0.27.1500.973@0.27.1500.973" timestamp="1605320910805" />
+    <state width="1454" height="249" key="GridCell.Tab.0.bottom" timestamp="1605320711590">
+      <screen x="0" y="27" width="1500" height="973" />
+    </state>
+    <state width="1454" height="249" key="GridCell.Tab.0.bottom/0.27.1500.973@0.27.1500.973" timestamp="1605320711590" />
+    <state width="1454" height="249" key="GridCell.Tab.0.center" timestamp="1605320711587">
+      <screen x="0" y="27" width="1500" height="973" />
+    </state>
+    <state width="1454" height="249" key="GridCell.Tab.0.center/0.27.1500.973@0.27.1500.973" timestamp="1605320711587" />
+    <state width="1454" height="249" key="GridCell.Tab.0.left" timestamp="1605320711586">
+      <screen x="0" y="27" width="1500" height="973" />
+    </state>
+    <state width="1454" height="249" key="GridCell.Tab.0.left/0.27.1500.973@0.27.1500.973" timestamp="1605320711586" />
+    <state width="1454" height="249" key="GridCell.Tab.0.right" timestamp="1605320711589">
+      <screen x="0" y="27" width="1500" height="973" />
+    </state>
+    <state width="1454" height="249" key="GridCell.Tab.0.right/0.27.1500.973@0.27.1500.973" timestamp="1605320711589" />
+    <state width="1454" height="308" key="GridCell.Tab.1.bottom" timestamp="1605320708706">
+      <screen x="0" y="27" width="1500" height="973" />
+    </state>
+    <state width="1454" height="308" key="GridCell.Tab.1.bottom/0.27.1500.973@0.27.1500.973" timestamp="1605320708706" />
+    <state width="1454" height="308" key="GridCell.Tab.1.center" timestamp="1605320708706">
+      <screen x="0" y="27" width="1500" height="973" />
+    </state>
+    <state width="1454" height="308" key="GridCell.Tab.1.center/0.27.1500.973@0.27.1500.973" timestamp="1605320708706" />
+    <state width="1454" height="308" key="GridCell.Tab.1.left" timestamp="1605320708705">
+      <screen x="0" y="27" width="1500" height="973" />
+    </state>
+    <state width="1454" height="308" key="GridCell.Tab.1.left/0.27.1500.973@0.27.1500.973" timestamp="1605320708705" />
+    <state width="1454" height="308" key="GridCell.Tab.1.right" timestamp="1605320708706">
+      <screen x="0" y="27" width="1500" height="973" />
+    </state>
+    <state width="1454" height="308" key="GridCell.Tab.1.right/0.27.1500.973@0.27.1500.973" timestamp="1605320708706" />
+    <state x="242" y="144" width="1016" height="742" key="SettingsEditor" timestamp="1605320578522">
+      <screen x="0" y="27" width="1500" height="973" />
+    </state>
+    <state x="242" y="144" width="1016" height="742" key="SettingsEditor/0.27.1500.973@0.27.1500.973" timestamp="1605320578522" />
+    <state x="348" y="231" width="800" height="568" key="Vcs.Push.Dialog.v2" timestamp="1605320910320">
+      <screen x="0" y="27" width="1500" height="973" />
+    </state>
+    <state x="348" y="231" width="800" height="568" key="Vcs.Push.Dialog.v2/0.27.1500.973@0.27.1500.973" timestamp="1605320910320" />
+  </component>
+  <component name="com.intellij.coverage.CoverageDataManagerImpl">
+    <SUITE FILE_PATH="coverage/pigeon_core$Test__nightly_.info" NAME="Test (nightly) Coverage Results" MODIFIED="1605320383353" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="RsCoverageRunner" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" CONTEXT_FILE_PATH="$PROJECT_DIR$" />
+  </component>
+</project>
\ No newline at end of file