Ha-py-trello

Not all action has attributes related to movements (listBefore, listAfter), in that way it need to be checked.
Fixing typo reported in 315. Fixing identation when checking last_list (comment was idented correctly, but code not). Fixing the calculation of the time that card has been on a list, correcting last_action_datetime update value by putting it before if/continue statement.
fix 325: allow working with duplicate checklist item names
Minor improvement: add Board.get_card(card_id)
Minor code improvement, instead of creating a member and updating field on Board class, using static factory Member.from_json. Adding Member.member_type; Adding Member.avatar_url;
add 'displayName' property to 'organization' class
Adding get_label() into Board class
deprecate enable/disable power up
fix: incorrect string format index
adapt card checklists handling to new Trello payload
Don't check completed checklist items if None
adding urlSource field for adding cards, which works brilliantly
Added Option To Delete Board
chore: cleanup

fix last_activity typo
Add add_organization()
Custom field list updates
Fixing TabError
Added powerups
Add files via upload
Update custom field definition
Updating set_reminder
Two new methods
Added two methods for checkitems
Add OAuth2 support to webhook list
Add OAuth2 support to webhook creation
Return empty cards
fixed a problem with fetching checklists
Update card.py
Added setCover to the attach function
Update trelloclient.py
Update trelloclient.py
Implement the Move List to Board API
update2 __repr__ to display all Board class attributes
update __repr__ to display all Board class attributes
fetch Member email

Removes the unused try statement that broke the last version

Allow set_custom_field to accept an empty value
add functions to add and delete custom field definitions from board
setup.py: Add GitHub URL
Update card.py
Update card.py
Update card.py
Make consecutive calls work with default query arg

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