First commit of report structure
Added a reports object to return Zencoder usage reports
Re-added linebreak
Changes to reporting - pass in a start and end date in datetime format
Incorrect call to date() after formatting date to string
Actually comply with HTTP spec for the Accept Header
Merge branch 'master' of https://github.com/mcos/zencoder-py into mcos-master
Remove duplicated test case
Update docstring on `Report.minutes`

Includes an example for filtering by date.
Merge branch 'mcos-master'

Closes pull request #15