Merge pull request #11 from pegler/master

python 2.6 compatibility tweaks
Bump version to v0.2.1
Link readme header to docs
Adds support for Bill#retry
Stylistic improvements
Merges in master with version number changes
Merge pull request #13 from gocardless/bill-retry

Adds "retry" method to Bill
Updates pre-population information for partners
Merge branch 'master' of github.com:gocardless/gocardless-python

* 'master' of github.com:gocardless/gocardless-python:
  Stylistic improvements
  Adds support for Bill#retry
  Link readme header to docs
  Bump version to v0.2.1
  python 2.6 compatability fixes
  Update changelog
  Bump version to 0.2.0
  fix tests and bump version to 0.1.6
  dont check if setup_fee is positive, to match the validation in SubscriptionParams
  preauth setup_free
  Refactor as per suggestions
  Add an alias to new_preauthorization_url.
  Update changelog
  Some pep8
  Move constants to module level
  Bump version number to 0.1.5
  Use `self` instead of class name
  Remove testing code
  Update README header
  Update logo
Adds support for payouts API
Updates version numbers
Fix tests
Adds option to pass in charge_customer_at field
Merge pull request #15 from gocardless/add-charge-customer-at-field

Adds option to pass in charge_customer_at field
Bump version to v0.3.0
Have Client.confirm_resource return the resource
Merge pull request #17 from doismellburning/patch-1

Have Client.confirm_resource return the resource
add charge_customer_at parameter to new_bill method. convert charge_customer_at parameter for bills to a date object