Update token params

Comply with API changes 2012-06-18 and 2012-07-09

All tests pass.
Add tags to gitignore
Factor out empty field removal

DRY

All tests pass.
Add Recipients and Transfers support for pay-outs
Bump to version 0.6.0

This version includes support for transfering money to recipient
bank accounts who aren't the Stripe account owner.  This is good.

All 11 tests pass.
Merge branch 'v1' of git://github.com/mattsta/stripe-erlang into v1

Conflicts:
	include/stripe.hrl