Fix some PEP-8 violations

Sorry for being pedantic here. My editor highlights some PEP-8
violations, so my eyes hurt if I don't fix them. ;)
Support backing up of team repositories

When provided with the additional team parameter (-t), the script will now
back up the team's repositories rather than the user's.
Merge pull request #1 from theGoodEvil/teams

Support Backing Up Team Repositories thanks @theGoodEvil