Py-trello

Add missing header and footer
Add __main__.py for creating OAuth token
Fetch comments from copied cards
Adding custom field items when getting single card
add method for get all visible cards

Add set_custom_field to card.py
Allow proxy usage
Fix card.badges unset for cards created by from_json()
fixed KeyError / missing subscribed key in Trello lists
Add documentation blurb about TRELLO_TEST_STAR_COUNT to README.rst
Lazy load property trello.Board.date_last_activity, using property _date_last_activity
fix typo
add keep_from_source to add_card in trelloList
add list_cards_iter
Clean list_movement docstrings

Fix timezone problem with tz aware datetime
null/empty check for actions (closes 266)
provide access to the raw card json

Add ability to pass custom query parameters to get_cards
fix 256 can't set attribute errror

Add check and fix for python3 unicode assertion
Add warning that running tests will delete cards
trelloclient: allow to customize cards_limit
more card API consistency
fixed customFields on cards
added default_lists as parameter to add_board
Add lazy loading for card.customFields
Add function for accessing new/existing custom fields of a card by name

Modifies Cards.from_json to not require customFieldItems