Merge pull request #211 from jeremyschulman/master

support for stringification of ConnectError expections
Modified to support Python 2.6/2.7 #120
More 2.6 updates
Merge pull request #212 from shermdog/python-2.6

Python 2.6 support
Bump version to 0.2.0
fixed AttributeError: 'list' object has no attribute 'lower'
Supplied positional arguments for Python v<2.7
Merge pull request #220 from vnitinv/f_master-AttributeError-fix

F master attribute error fix