Generate a clean changelog

If you use a 1-branch-per-feature workflow, you may want to generate a changlog between your working branch and the remote origin.

git log --no-merges --graph --abbrev-commit --pretty=oneline origin/master..

will only output the commits that are in your branch and not in the remote one.

* bb45d37 [SETUP] complete setup.py
* 1425b64 [MONITORING] add prefix to scriptname
* c0694b5 [MEMORY] make somes optimization for memory usage

TIP : Use aliases for an easier usage.