various bugs / webhooks support
Fixed newsub()

Removed reference to 'amount' which shouldn't be there.
Fix newoffer()

newoffer() method didn't set the 'currency' property which was required.
Update docs on newoffer()
No amount in subscriptions
send the client as well when creating a new card
Fixed newcard() which was ignoring client id. Added updatesub()
Merge commit '7cc44564f923d37a3623333240801b1c661913f9'

Conflicts:
	pymill/pymill.py
Merge remote-tracking branch 'sebslomski/master'

Conflicts:
	pymill/pymill.py
Merge remote-tracking branch 'pmhoundry/master'

Conflicts:
	pymill/pymill.py
Merge remote-tracking branch 'kliment/master'

Conflicts:
	pymill/pymill.py
Moving the sphinx for documentation building
Ignoring built documentation and pyc files
fix path issue of documentation
refurbished API binding with simplified and more pythonic approach

just the start, open for new ideas
adding some more examples and repr for data objects
nicer new_subscription call (now accepting datetime directly)
adding egg information to ignores
adding some missing fields to subscription
two delete calls actually return something, therefore return it again here