Merge pull request #35 from afffsdd/master

Allow -q and -H to be used together
Fix args.
Fix quiet for multithreading.
Missed.
use delta to calculate log; fixes #24
Merge branch 'master' of https://github.com/WhiteHalmos/rgkit
Made window expansion work as intended.
Make tests pass, add render to core test.
Make tests conform to pep8 fully.
Fix rgkit for server. Please keep existing public interfaces consistent.
Update version number.
Formatting.