Description of what I changed

Issue I worked on

My pull request only contains ONE single commit (the number above, next to the 'Commits' tab is 1).

No? -> read here on how to squash multiple commits into one
My IDE is configured to follow the code style of this project.

No? Unsure? -> configure your IDE, format the code and add the changes with git add . && git commit --amend
I have added tests to cover my changes. (If you refactored existing code that was well tested you do not have to add tests)

No? -> write tests and add them to this commit git add . && git commit --amend
I ran mvn clean package right before creating this pull request and added all formatting changes to my commit.

No? -> execute above command
All new and existing tests passed.

No? -> figure out why and add the fix to your commit. It is your responsibility to make sure your code works.
My pull request is based on the latest changes of the master branch.

No? Unsure? -> execute command git pull --rebase upstream master