Add Account API resource.
Changelog & bump version.
Merge pull request #15 from stripe/account-resource

Add Account API Resource
Encode ApiResource objects to their IDs in requests, not ApiRequestors
Changing accessibility of methods is only in >=5.3.2

Adjust the test suite accordingly
Release version 1.7.4
Consider any errors in the test suite (including E_STRICT) to be fatal
Adjust SingletonApiResource to avoid prototype conflicts

Stripe_SingletonApiResource::_scopedRetrieve previously conflicted
with Stripe_ApiResource::_scopedRetrieve due to having the same name
but different prototypes, which caused errors under runtimes that
enforced E_STRICT. Rename the function to _scopedSingletonRetrieve in
Stripe_SingletonApiResource to avoid that conflict.

Fixes Github issue #16
Release version 1.7.5
Add invoice pay and update methods
Release version 1.7.6
Merge pull request #17 from stripe/invoice-methods

Invoice methods
Added text about how to run tests
Bump version

No other changes in this release, but we forgot to update
lib/Stripe.php, so this gets everything back in sync.
Merge pull request #18 from antonbabenko/patch-1

Added text about how to run tests
Add support for creating invoices; bump version.
Add support for list objects, and the new invoice lines API.
Fix test failures
Merge branch 'invoice-lines-support'
Update changelog