made our time expectations more explicit.

We store everything in UTC and use ISO 8601 in our API
completion_datetime is now timezone aware and uses tz from settings

Ultimately #8 was due to completion_date being naive.

fixes #8
Merge branch 'feature/8_fix_wrong_display_time' into develop
Added requirements.txt

fixes #13
Set default order that todos and todolists are returned in.

fixes #13
Make sure users get all their todolists (not just top 20)

driveby bug fix :(
prepend newly created todos/todolists instead of appending.
Merge branch 'feature/7_order_todolists' into develop
Merge branch 'release/0.0.9'