* updated get and post prototype in order to welcome data parameter

ucoin/__init__.py

ucoin/hdc/amendments/__init__.py

ucoin/hdc/amendments/view.py

ucoin/hdc/coins/__init__.py

ucoin/hdc/coins/view.py

ucoin/hdc/transactions/__init__.py

ucoin/hdc/transactions/sender/__init__.py

ucoin/hdc/transactions/sender/issuance.py

ucoin/pks/__init__.py

ucoin/ucg/__init__.py

ucoin/ucg/peering/__init__.py

ucoin/ucg/peering/peers.py