Allow keys to be set (in anticipation of write commands). Better object __repr__() for spaces and tickets.
Fix test failure on spaces-with-tickets that have no milestones-with-tickets. Make tests runnable directly.
Tickets can now be written to with Ticket.write(), and deleted with .delete()
And some documentation for Ticket.write().
Typos
Docs: Putting brackets to indicate function calls.
Merge pull request #15 from ixc/master

Tickets can be created, modified, and deleted.