Cleaned up stuff, and a new simplify_string transform#55

Merged

ErikBjare merged 9 commits intomasterfrom dev/queryclean

May 21, 2018

+441-277

Commits on Apr 10, 2018

added simplify transform, added q2_function decorator, cleanup, PEP8, bumped version number
ErikBjare
committed
Merge branch 'master' of github.com:ActivityWatch/aw-core into dev/queryclean
ErikBjare
committed
cleaned up tests, added test for simplify_string
ErikBjare
committed