Changed GetRates to use v2 of the Canada Post API
Updated .upper() to postal codes in AddressBase
Modified example to fix error messages
Merge pull request #3 from scasagrande/master

Updated GetRates to API v2
Merge remote-tracking branch 'bclermont/master'

* bclermont/master:
  Modified example to fix error messages
  Updated .upper() to postal codes in AddressBase
  Changed GetRates to use v2 of the Canada Post API