Bump version and update history for 0.8.1

HISTORY.rst

 History/Changelog
 -----------------
+0.8.1: 2014-01-26
+~~~~~~~~~~~~~~~~~
+
+- Add documentation for using Two Factor Authentication
+
+- Fix oversight where ``github3.login`` could not be used for 2FA
+
 0.8.0: 2014-01-03
 ~~~~~~~~~~~~~~~~~

github3/__init__.py

@@ -14,7 +14,7 @@ __title__ = 'github3'
 __author__ = 'Ian Cordasco'
 __license__ = 'Modified BSD'
 __copyright__ = 'Copyright 2012-2014 Ian Cordasco'
-__version__ = '0.8.0'
+__version__ = '0.8.1'
 __version_info__ = tuple(int(i) for i in __version__.split('.'))
 from github3.api import *