diff --git a/.gitignore b/.gitignore
index dc85f37..99eb4a8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -88,10 +88,11 @@ cmake-build-*/
 
 # File-based project format
 *.iws
+*.iml
+*.ipr
 
 # IntelliJ
 out/
-*.iml
 
 # mpeltonen/sbt-idea plugin
 .idea_modules/
diff --git a/.gradle/6.8/fileChanges/last-build.bin b/.gradle/6.8/fileChanges/last-build.bin
deleted file mode 100644
index f76dd23..0000000
Binary files a/.gradle/6.8/fileChanges/last-build.bin and /dev/null differ
diff --git a/.gradle/6.8/fileHashes/fileHashes.lock b/.gradle/6.8/fileHashes/fileHashes.lock
deleted file mode 100644
index d855c1b..0000000
Binary files a/.gradle/6.8/fileHashes/fileHashes.lock and /dev/null differ
diff --git a/.gradle/6.8/gc.properties b/.gradle/6.8/gc.properties
deleted file mode 100644
index e69de29..0000000
diff --git a/.gradle/7.0/dependencies-accessors/dependencies-accessors.lock b/.gradle/7.0/dependencies-accessors/dependencies-accessors.lock
deleted file mode 100644
index 2344c0f..0000000
Binary files a/.gradle/7.0/dependencies-accessors/dependencies-accessors.lock and /dev/null differ
diff --git a/.gradle/7.0/dependencies-accessors/gc.properties b/.gradle/7.0/dependencies-accessors/gc.properties
deleted file mode 100644
index e69de29..0000000
diff --git a/.gradle/7.0/executionHistory/executionHistory.bin b/.gradle/7.0/executionHistory/executionHistory.bin
deleted file mode 100644
index d99eea5..0000000
Binary files a/.gradle/7.0/executionHistory/executionHistory.bin and /dev/null differ
diff --git a/.gradle/7.0/executionHistory/executionHistory.lock b/.gradle/7.0/executionHistory/executionHistory.lock
deleted file mode 100644
index 3d0543e..0000000
Binary files a/.gradle/7.0/executionHistory/executionHistory.lock and /dev/null differ
diff --git a/.gradle/7.0/fileChanges/last-build.bin b/.gradle/7.0/fileChanges/last-build.bin
deleted file mode 100644
index f76dd23..0000000
Binary files a/.gradle/7.0/fileChanges/last-build.bin and /dev/null differ
diff --git a/.gradle/7.0/fileHashes/fileHashes.bin b/.gradle/7.0/fileHashes/fileHashes.bin
deleted file mode 100644
index aea671b..0000000
Binary files a/.gradle/7.0/fileHashes/fileHashes.bin and /dev/null differ
diff --git a/.gradle/7.0/fileHashes/fileHashes.lock b/.gradle/7.0/fileHashes/fileHashes.lock
deleted file mode 100644
index 53516a0..0000000
Binary files a/.gradle/7.0/fileHashes/fileHashes.lock and /dev/null differ
diff --git a/.gradle/7.0/gc.properties b/.gradle/7.0/gc.properties
deleted file mode 100644
index e69de29..0000000
diff --git a/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/.gradle/buildOutputCleanup/buildOutputCleanup.lock
deleted file mode 100644
index 686dd9d..0000000
Binary files a/.gradle/buildOutputCleanup/buildOutputCleanup.lock and /dev/null differ
diff --git a/.gradle/buildOutputCleanup/cache.properties b/.gradle/buildOutputCleanup/cache.properties
deleted file mode 100644
index ca58cf7..0000000
--- a/.gradle/buildOutputCleanup/cache.properties
+++ /dev/null
@@ -1,2 +0,0 @@
-#Thu Apr 29 21:16:43 CEST 2021
-gradle.version=7.0
diff --git a/.gradle/buildOutputCleanup/outputFiles.bin b/.gradle/buildOutputCleanup/outputFiles.bin
deleted file mode 100644
index 915eed4..0000000
Binary files a/.gradle/buildOutputCleanup/outputFiles.bin and /dev/null differ
diff --git a/.gradle/checksums/checksums.lock b/.gradle/checksums/checksums.lock
deleted file mode 100644
index a082f64..0000000
Binary files a/.gradle/checksums/checksums.lock and /dev/null differ
diff --git a/.gradle/configuration-cache/gc.properties b/.gradle/configuration-cache/gc.properties
deleted file mode 100644
index e69de29..0000000
diff --git a/.gradle/vcs-1/gc.properties b/.gradle/vcs-1/gc.properties
deleted file mode 100644
index e69de29..0000000
diff --git a/team25.ipr b/team25.ipr
deleted file mode 100644
index bab52ea..0000000
--- a/team25.ipr
+++ /dev/null
@@ -1,104 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <option name="DEFAULT_COMPILER" value="Javac"/>
-    <resourceExtensions>
-      <entry name=".+\.(properties|xml|html|dtd|tld)"/>
-      <entry name=".+\.(gif|png|jpeg|jpg)"/>
-    </resourceExtensions>
-    <wildcardResourcePatterns>
-      <entry name="!?*.class"/>
-      <entry name="!?*.scala"/>
-      <entry name="!?*.groovy"/>
-      <entry name="!?*.java"/>
-    </wildcardResourcePatterns>
-    <annotationProcessing enabled="false" useClasspath="true"/>
-    <bytecodeTargetLevel target="16"/>
-  </component>
-  <component name="CopyrightManager" default="">
-    <module2copyright/>
-  </component>
-  <component name="DependencyValidationManager">
-    <option name="SKIP_IMPORT_STATEMENTS" value="false"/>
-  </component>
-  <component name="Encoding" useUTFGuessing="true" native2AsciiForPropertiesFiles="false"/>
-  <component name="GradleUISettings">
-    <setting name="root"/>
-  </component>
-  <component name="GradleUISettings2">
-    <setting name="root"/>
-  </component>
-  <component name="IdProvider" IDEtalkID="11DA1DB66DD62DDA1ED602B7079FE97C"/>
-  <component name="JavadocGenerationManager">
-    <option name="OUTPUT_DIRECTORY"/>
-    <option name="OPTION_SCOPE" value="protected"/>
-    <option name="OPTION_HIERARCHY" value="true"/>
-    <option name="OPTION_NAVIGATOR" value="true"/>
-    <option name="OPTION_INDEX" value="true"/>
-    <option name="OPTION_SEPARATE_INDEX" value="true"/>
-    <option name="OPTION_DOCUMENT_TAG_USE" value="false"/>
-    <option name="OPTION_DOCUMENT_TAG_AUTHOR" value="false"/>
-    <option name="OPTION_DOCUMENT_TAG_VERSION" value="false"/>
-    <option name="OPTION_DOCUMENT_TAG_DEPRECATED" value="true"/>
-    <option name="OPTION_DEPRECATED_LIST" value="true"/>
-    <option name="OTHER_OPTIONS" value=""/>
-    <option name="HEAP_SIZE"/>
-    <option name="LOCALE"/>
-    <option name="OPEN_IN_BROWSER" value="true"/>
-  </component>
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/team25.iml" filepath="$PROJECT_DIR$/team25.iml"/>
-    </modules>
-  </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_16" assert-keyword="true" jdk-15="true" project-jdk-type="JavaSDK" assert-jdk-15="true" project-jdk-name="16">
-    <output url="file://$PROJECT_DIR$/out"/>
-  </component>
-  <component name="SvnBranchConfigurationManager">
-    <option name="mySupportsUserInfoFilter" value="true"/>
-  </component>
-  <component name="VcsDirectoryMappings">
-    <mapping directory="" vcs=""/>
-  </component>
-  <component name="masterDetails">
-    <states>
-      <state key="ArtifactsStructureConfigurable.UI">
-        <UIState>
-          <splitter-proportions>
-            <SplitterProportionsDataImpl/>
-          </splitter-proportions>
-          <settings/>
-        </UIState>
-      </state>
-      <state key="Copyright.UI">
-        <UIState>
-          <splitter-proportions>
-            <SplitterProportionsDataImpl/>
-          </splitter-proportions>
-        </UIState>
-      </state>
-      <state key="ProjectJDKs.UI">
-        <UIState>
-          <splitter-proportions>
-            <SplitterProportionsDataImpl>
-              <option name="proportions">
-                <list>
-                  <option value="0.2"/>
-                </list>
-              </option>
-            </SplitterProportionsDataImpl>
-          </splitter-proportions>
-          <last-edited>1.6</last-edited>
-        </UIState>
-      </state>
-      <state key="ScopeChooserConfigurable.UI">
-        <UIState>
-          <splitter-proportions>
-            <SplitterProportionsDataImpl/>
-          </splitter-proportions>
-          <settings/>
-        </UIState>
-      </state>
-    </states>
-  </component>
-</project>