diff --git a/src/uloimport/.gitignore b/src/uloimport/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..5bd05d6255ea4f4745a74ec86304c3b02b903068
--- /dev/null
+++ b/src/uloimport/.gitignore
@@ -0,0 +1,2 @@
+target
+.idea
\ No newline at end of file
diff --git a/src/uloimport/.idea/codeStyles/Project.xml b/src/uloimport/.idea/codeStyles/Project.xml
deleted file mode 100644
index 919ce1f1f77253454105acb2aad9997c1047a0e6..0000000000000000000000000000000000000000
--- a/src/uloimport/.idea/codeStyles/Project.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
- <code_scheme name="Project" version="173">
- <ScalaCodeStyleSettings>
- <option name="MULTILINE_STRING_CLOSING_QUOTES_ON_NEW_LINE" value="true" />
- </ScalaCodeStyleSettings>
- </code_scheme>
-</component>
\ No newline at end of file
diff --git a/src/uloimport/.idea/codeStyles/codeStyleConfig.xml b/src/uloimport/.idea/codeStyles/codeStyleConfig.xml
deleted file mode 100644
index a55e7a179bde3e4e772c29c0c85e53354aa54618..0000000000000000000000000000000000000000
--- a/src/uloimport/.idea/codeStyles/codeStyleConfig.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
- <state>
- <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
- </state>
-</component>
\ No newline at end of file
diff --git a/src/uloimport/.idea/compiler.xml b/src/uloimport/.idea/compiler.xml
deleted file mode 100644
index 76324e594865bd744fbd08e61335e761071625a6..0000000000000000000000000000000000000000
--- a/src/uloimport/.idea/compiler.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
- <component name="CompilerConfiguration">
- <annotationProcessing>
- <profile 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" />
- <module name="uloimport" />
- </profile>
- </annotationProcessing>
- </component>
-</project>
\ No newline at end of file
diff --git a/src/uloimport/.idea/jarRepositories.xml b/src/uloimport/.idea/jarRepositories.xml
deleted file mode 100644
index 712ab9d985c20018a0c97b93d2148ac1ffe588a5..0000000000000000000000000000000000000000
--- a/src/uloimport/.idea/jarRepositories.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
- <component name="RemoteRepositoriesConfiguration">
- <remote-repository>
- <option name="id" value="central" />
- <option name="name" value="Central Repository" />
- <option name="url" value="https://repo.maven.apache.org/maven2" />
- </remote-repository>
- <remote-repository>
- <option name="id" value="central" />
- <option name="name" value="Maven Central repository" />
- <option name="url" value="https://repo1.maven.org/maven2" />
- </remote-repository>
- <remote-repository>
- <option name="id" value="jboss.community" />
- <option name="name" value="JBoss Community repository" />
- <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
- </remote-repository>
- </component>
-</project>
\ No newline at end of file
diff --git a/src/uloimport/.idea/misc.xml b/src/uloimport/.idea/misc.xml
deleted file mode 100644
index d24ea8e7debb4071df92884f676aca977525fde9..0000000000000000000000000000000000000000
--- a/src/uloimport/.idea/misc.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
- <component name="ExternalStorageConfigurationManager" enabled="true" />
- <component name="MavenProjectsManager">
- <option name="originalFiles">
- <list>
- <option value="$PROJECT_DIR$/pom.xml" />
- </list>
- </option>
- </component>
- <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="11" project-jdk-type="JavaSDK">
- <output url="file://$PROJECT_DIR$/out" />
- </component>
-</project>
\ No newline at end of file
diff --git a/src/uloimport/.idea/workspace.xml b/src/uloimport/.idea/workspace.xml
deleted file mode 100644
index 4cf77db4d4302a52aaebde93593c1cd58c97081d..0000000000000000000000000000000000000000
--- a/src/uloimport/.idea/workspace.xml
+++ /dev/null
@@ -1,53 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
- <component name="ChangeListManager">
- <list default="true" id="5c0c96ea-f1ee-4ed4-b92c-6e411366b16f" name="Default Changelist" comment="" />
- <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="ProjectCodeStyleSettingsMigration">
- <option name="version" value="1" />
- </component>
- <component name="ProjectId" id="1bneDStQ0P7cGiTIKSyFMMZWbuE" />
- <component name="ProjectViewState">
- <option name="hideEmptyMiddlePackages" value="true" />
- <option name="showLibraryContents" value="true" />
- </component>
- <component name="PropertiesComponent">
- <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
- <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
- <property name="settings.editor.selected.configurable" value="preferences.keymap" />
- </component>
- <component name="RunManager">
- <configuration name="Main" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
- <option name="MAIN_CLASS_NAME" value="info.kwarc.uloimport.Main" />
- <module name="uloimport" />
- <extension name="coverage">
- <pattern>
- <option name="PATTERN" value="info.kwarc.uloimport.*" />
- <option name="ENABLED" value="true" />
- </pattern>
- </extension>
- <method v="2">
- <option name="Make" enabled="true" />
- </method>
- </configuration>
- <recent_temporary>
- <list>
- <item itemvalue="Application.Main" />
- </list>
- </recent_temporary>
- </component>
- <component name="TaskManager">
- <task active="true" id="Default" summary="Default task">
- <changelist id="5c0c96ea-f1ee-4ed4-b92c-6e411366b16f" name="Default Changelist" comment="" />
- <created>1589272164344</created>
- <option name="number" value="Default" />
- <option name="presentableId" value="Default" />
- <updated>1589272164344</updated>
- </task>
- <servers />
- </component>
-</project>
\ No newline at end of file
diff --git a/src/uloimport/pom.xml b/src/uloimport/pom.xml
index f9223ba696ef25dd0113f552fadc6c73a85eb3c7..e8c00a983117fa60b71f5a09377fa0fdb45c155e 100644
--- a/src/uloimport/pom.xml
+++ b/src/uloimport/pom.xml
@@ -1,12 +1,14 @@
<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
- xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>info.kwarc.uloimport</groupId>
<artifactId>uloimport</artifactId>
<version>indev</version>
-
+ <properties>
+ <!-- https://stackoverflow.com/questions/59601077/intellij-errorjava-error-release-version-5-not-supported -->
+ <maven.compiler.source>1.11</maven.compiler.source>
+ <maven.compiler.target>1.11</maven.compiler.target>
+ </properties>
</project>
\ No newline at end of file