Increase version number
Missing CHANGELOG
(transplanted from 495985c376ed6e7c60aa05a36936a25ddc8b19e1)

--HG--
extra : transplant_source : IY%85%C3v%EDn%7C%60%AA%05%A3i6%A2%5D%DC%8B%19%E1
Prepare release 3.0.1
Added tag 3.0.1 for changeset bf61f5ea6c65
Increase version number
null merge from 3.0
Improve setup.py to allow dev publication

issue3436
issue1891
review2441002
Missing __all__ for party
Fix test case naming convention