Merge branch 'release/0.9.0'

Author: Kevin Hellemun

.gitignore

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+# Created by https://www.gitignore.io/api/java
+
+### Java ###
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+
+# End of https://www.gitignore.io/api/java

.gradle/4.0/fileChanges/last-build.bin

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+#Tue Mar 20 22:44:33 CET 2018
+gradle.version=4.0

.gradle/4.0/fileHashes/fileHashes.bin

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+