Implemented account-info draft.
Implemented operation-details draft.
Implemented operation-history draft.
Implemented request-payment draft.
Implemented process-payment draft.
Implemented incoming-transfer-accept and incoming-transfer-reject drafts.
Implemented requests.
Implemented OAuth2 session.
Implemented HostsProvider.
Implemented OAuth2Authorization class.
Implemented Token method.
Implementing tests...
Implemented OperationDetailsTest.
Implemented AccountInfoTest.
Implemented token revoke.
Generalized requests for payment.
Generalized process payment.
BaseProcessPayment is set to abstract.
Renamed cps package to methods.
Prepared session for extension.