Bump version to 0.7.0

Add the right version number everywhere (#300)

[MRG] Add python requires plus message for old pips (#299)

* Add python requires plus message for old pips

* Update install requires for scikit-learn

fix dependencies doc and add pointer to v0.5.0 for earlier Python ver…

…sions (#298)

Prepare new version (#232)

* Prepare new version

* Update authors

* reorder authors

FIX: add long_description in setup.py (#122)

Version bump to 0.3, updating docs

Bumping version

Bumping version for Py3k support

[ci skip]

Merge pull request #11 from terrytangyuan/patch-1

Updated version on PyPI