Changed type of RecurrentPayment Interval

v0.2.2

change type of interval, now it returns integer

add new types for recurrency

v0.2.1

add types for recurrence payment

Add new tests and cancel RecurrentPay

This release contains new tests, makefile and some tests standardization

minor fixes

Remove use of environment
Improve tokenize card tests

v0.1.4: Insert some test and tokenization fixes (#1)

* testes inseridos e ajustes na tokenização

* Tokenization fix and iserted tests

* package fix