diff --git a/.gitignore b/.gitignore
index 042c8f7..814c2fa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,17 @@
 # Created by https://www.toptal.com/developers/gitignore/api/python
 # Edit at https://www.toptal.com/developers/gitignore?templates=python
 
+examples/
+
+### VS Code ###
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+!.vscode/*.code-snippets
+!*.code-workspace
+
 ### Python ###
 # Byte-compiled / optimized / DLL files
 __pycache__/
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 0000000..bd03aa7
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,228 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AutoImportSettings">
+    <option name="autoReloadType" value="SELECTIVE" />
+  </component>
+  <component name="CMakeSettings">
+    <configurations>
+      <configuration PROFILE_NAME="Debug" ENABLED="true" CONFIG_NAME="Debug" />
+    </configurations>
+  </component>
+  <component name="CargoProjects">
+    <cargoProject FILE="$PROJECT_DIR$/Cargo.toml" />
+  </component>
+  <component name="ChangeListManager">
+    <list default="true" id="f51b21eb-9f63-4ff4-82ba-7ab0ae66515e" name="Changes" comment="Create rust project files">
+      <change beforePath="$PROJECT_DIR$/.idea/ynab.iml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/ynab.iml" 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="FileTemplateManagerImpl">
+    <option name="RECENT_TEMPLATES">
+      <list>
+        <option value="Rust File" />
+      </list>
+    </option>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="MacroExpansionManager">
+    <option name="directoryName" value="nykdsuae" />
+  </component>
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
+  </component>
+  <component name="ProjectId" id="2O2shWWVmgMfpsjTChSS2z8kodr" />
+  <component name="ProjectLevelVcsManager">
+    <ConfirmationsSetting value="2" id="Add" />
+  </component>
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "RunOnceActivity.cidr.known.project.marker": "true",
+    "WebServerToolWindowFactoryState": "false",
+    "cf.first.check.clang-format": "false",
+    "cidr.known.project.marker": "true",
+    "database.data.extractors.current.export.id": "049e23d4-f768-42f3-b83a-dee22b9ce938",
+    "database.data.extractors.current.id": "049e23d4-f768-42f3-b83a-dee22b9ce938",
+    "git-widget-placeholder": "rust-rewrite",
+    "last_opened_file_path": "/home/sindre/workspace/fagdag/default/fagdag-interpreter",
+    "node.js.detected.package.eslint": "true",
+    "node.js.detected.package.tslint": "true",
+    "node.js.selected.package.eslint": "(autodetect)",
+    "node.js.selected.package.tslint": "(autodetect)",
+    "nodejs_package_manager_path": "npm",
+    "org.rust.cargo.project.model.PROJECT_DISCOVERY": "true",
+    "settings.editor.selected.configurable": "preferences.pluginManager",
+    "vue.rearranger.settings.migration": "true"
+  }
+}]]></component>
+  <component name="RunManager" selected="Cargo.Test ynab::tests::test_write_csv">
+    <configuration name="Run ynab" type="CargoCommandRunConfiguration" factoryName="Cargo Command" temporary="true">
+      <option name="command" value="run --package ynab --bin ynab" />
+      <option name="workingDirectory" value="file://$PROJECT_DIR$" />
+      <option name="emulateTerminal" value="false" />
+      <option name="channel" value="DEFAULT" />
+      <option name="requiredFeatures" value="true" />
+      <option name="allFeatures" value="false" />
+      <option name="withSudo" value="false" />
+      <option name="buildTarget" value="REMOTE" />
+      <option name="backtrace" value="SHORT" />
+      <envs />
+      <option name="isRedirectInput" value="false" />
+      <option name="redirectInputPath" value="" />
+      <method v="2">
+        <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="Test main::tests" type="CargoCommandRunConfiguration" factoryName="Cargo Command" temporary="true">
+      <option name="command" value="test --package ynab --bin ynab tests" />
+      <option name="workingDirectory" value="file://$PROJECT_DIR$" />
+      <option name="emulateTerminal" value="false" />
+      <option name="channel" value="DEFAULT" />
+      <option name="requiredFeatures" value="true" />
+      <option name="allFeatures" value="false" />
+      <option name="withSudo" value="false" />
+      <option name="buildTarget" value="REMOTE" />
+      <option name="backtrace" value="SHORT" />
+      <envs />
+      <option name="isRedirectInput" value="false" />
+      <option name="redirectInputPath" value="" />
+      <method v="2">
+        <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="Test tests::test_parse_csv_multiline" type="CargoCommandRunConfiguration" factoryName="Cargo Command" temporary="true">
+      <option name="command" value="test --package ynab --bin ynab tests::test_parse_csv_multiline -- --exact" />
+      <option name="workingDirectory" value="file://$PROJECT_DIR$" />
+      <option name="emulateTerminal" value="false" />
+      <option name="channel" value="DEFAULT" />
+      <option name="requiredFeatures" value="true" />
+      <option name="allFeatures" value="false" />
+      <option name="withSudo" value="false" />
+      <option name="buildTarget" value="REMOTE" />
+      <option name="backtrace" value="SHORT" />
+      <envs />
+      <option name="isRedirectInput" value="false" />
+      <option name="redirectInputPath" value="" />
+      <method v="2">
+        <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="Test tests::test_parse_csv_single_line" type="CargoCommandRunConfiguration" factoryName="Cargo Command" temporary="true">
+      <option name="command" value="test --package ynab --bin ynab tests::test_parse_csv_single_line -- --exact" />
+      <option name="workingDirectory" value="file://$PROJECT_DIR$" />
+      <option name="emulateTerminal" value="false" />
+      <option name="channel" value="DEFAULT" />
+      <option name="requiredFeatures" value="true" />
+      <option name="allFeatures" value="false" />
+      <option name="withSudo" value="false" />
+      <option name="buildTarget" value="REMOTE" />
+      <option name="backtrace" value="SHORT" />
+      <envs />
+      <option name="isRedirectInput" value="false" />
+      <option name="redirectInputPath" value="" />
+      <method v="2">
+        <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="Test ynab::tests::test_write_csv" type="CargoCommandRunConfiguration" factoryName="Cargo Command" temporary="true">
+      <option name="command" value="test --package ynab --bin ynab ynab::tests::test_write_csv -- --exact" />
+      <option name="workingDirectory" value="file://$PROJECT_DIR$" />
+      <option name="emulateTerminal" value="false" />
+      <option name="channel" value="DEFAULT" />
+      <option name="requiredFeatures" value="true" />
+      <option name="allFeatures" value="false" />
+      <option name="withSudo" value="false" />
+      <option name="buildTarget" value="REMOTE" />
+      <option name="backtrace" value="SHORT" />
+      <envs />
+      <option name="isRedirectInput" value="false" />
+      <option name="redirectInputPath" value="" />
+      <method v="2">
+        <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="Test" type="CargoCommandRunConfiguration" factoryName="Cargo Command">
+      <option name="command" value="test" />
+      <option name="workingDirectory" value="file://$PROJECT_DIR$" />
+      <option name="emulateTerminal" value="false" />
+      <option name="channel" value="DEFAULT" />
+      <option name="requiredFeatures" value="true" />
+      <option name="allFeatures" value="false" />
+      <option name="withSudo" value="false" />
+      <option name="buildTarget" value="REMOTE" />
+      <option name="backtrace" value="SHORT" />
+      <envs />
+      <option name="isRedirectInput" value="false" />
+      <option name="redirectInputPath" value="" />
+      <method v="2">
+        <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
+      </method>
+    </configuration>
+    <list>
+      <item itemvalue="Cargo.Test" />
+      <item itemvalue="Cargo.Test ynab::tests::test_write_csv" />
+      <item itemvalue="Cargo.Run ynab" />
+      <item itemvalue="Cargo.Test main::tests" />
+      <item itemvalue="Cargo.Test tests::test_parse_csv_multiline" />
+      <item itemvalue="Cargo.Test tests::test_parse_csv_single_line" />
+    </list>
+    <recent_temporary>
+      <list>
+        <item itemvalue="Cargo.Test ynab::tests::test_write_csv" />
+        <item itemvalue="Cargo.Test main::tests" />
+        <item itemvalue="Cargo.Test tests::test_parse_csv_single_line" />
+        <item itemvalue="Cargo.Test tests::test_parse_csv_multiline" />
+        <item itemvalue="Cargo.Run ynab" />
+      </list>
+    </recent_temporary>
+  </component>
+  <component name="RustProjectSettings">
+    <option name="toolchainHomeDirectory" value="/usr/bin" />
+    <option name="version" value="2" />
+  </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="f51b21eb-9f63-4ff4-82ba-7ab0ae66515e" name="Changes" comment="" />
+      <created>1680770131085</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1680770131085</updated>
+      <workItem from="1680770132437" duration="897000" />
+      <workItem from="1680771034802" duration="4797000" />
+      <workItem from="1680800249567" duration="3707000" />
+      <workItem from="1681408113808" duration="53000" />
+      <workItem from="1681506143426" duration="10370000" />
+      <workItem from="1683880038148" duration="367000" />
+    </task>
+    <task id="LOCAL-00001" summary="Create rust project files">
+      <created>1680770342974</created>
+      <option name="number" value="00001" />
+      <option name="presentableId" value="LOCAL-00001" />
+      <option name="project" value="LOCAL" />
+      <updated>1680770342974</updated>
+    </task>
+    <option name="localTasksCounter" value="2" />
+    <servers />
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="3" />
+  </component>
+  <component name="VcsManagerConfiguration">
+    <MESSAGE value="Create rust project files" />
+    <option name="LAST_COMMIT_MESSAGE" value="Create rust project files" />
+  </component>
+</project>
\ No newline at end of file