Updating version because of incompatible changes, updating dependencies
Transaction response code is now an integer, fixes #44
Imrproved response code interface
Add new web hook types for subscriptions
Improving interval, adding weekday
improving client and payment object deserialization, improving client test suite
Implementing Subscriptions V2.1 create
Subs 2.1 pause
Subs 2.1 update amount
Subs v2.1 change offer
Subs 2.1 end trial
Subs 2.1 change validity period
Subs 2.1 delete and cancel
Subs v2.1 updating, fixing tests
Subs v2.1 offer update and delete, fixing tests
preauthorizationService returns now Preauthorization object instead transaction object
update dependencies
update README