Pagarme-python

* Added python 3.5 support.
* Implemented transactions by card_id.
* Implemented static calls for Pagarme, now you can call 'static' methods just like the ruby api.
* Improved Customer and allow to pass it on transactions.
* Fixed metadata not been sent to new transaction.
* Fixed format validation for Zip code and document number.

* Merge pagarme versions from allisson and mbodock repositories and rewrite based in pagarme-ruby.

1.x
* Initial versions made by allisson.