added auto_probe feature to Device
Merge pull request #210 from jeremyschulman/master

added auto_probe feature to Device, fix #200
support for stringification of ConnectError expections
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
updated code from master