Results 3 issues of Bertozzi Julien

Heyllo ! Looks like the sha1 on https://repo1.maven.org/maven2/com/badlogicgames/box2dlights/box2dlights/1.4/ is invalid. I compute `1759928402bb809fef9df8989cb24a1ce08645e8 box2dlights-1.4.pom` where it's expected to be `eefc40a640a45eeabe749ab9c980fd94c9e529e3` Thanks for your work :+1:

Hello, I've added a test folder by default. I'm new to sbt, so I hope there are no mistakes. It works in my idea anyway :-)

https://github.com/bulkan/robotframework-difflibrary/blob/b4fc3b7e12b5bc630cf763b95e34732ad59fb4af/src/DiffLibrary/keywords.py#L30 It's causing an issue with the [robotframework/rfdocker](https://hub.docker.com/r/robotframework/rfdocker) docker image ``` diff: unrecognized option: strip-trailing-cr BusyBox v1.28.4 (2018-12-06 15:13:21 UTC) multi-call binary. ``` Maybe a flag to make it optional...