Added support for more than 100 starred repos.
Made 403 errors fail more gracefully by asking the user to re-input pb_token
Made 403 errors fail more gracefuly by asking theuser to re-input pb_token
changed variable and function names to adhere to PEP 8 conventions.
http://www.python.org/dev/peps/pep-0008/\#naming-conventions
pulled in jdherg's github pagination to bookmark more than 100 repos.