Note removal of "count" attribute in recent Stripe update to Lists
Allow undefined statement descriptions for plans.
Add methods for dealing with Cards and additional fields to the Card object.
Add post_invoice and add invoice parameter to Invoiceitem.pm
to allow invoice items to be added to an open invoice.
Merge branch 'master' of github.com:rustyconover/Net-Stripe
* new BalanceTransfer Object (contains Stripe fee)
* allow passing of "created" hashref to _get_collections,
  used for instance to get Charges constrained by dates
* teach hash_to_object() to convert Stripe's underscore_words
  to module's UpperCamelCase
* additional attributes in Charge object