Fixed issue with no payload allocation and wrong args checks in POST
Fixed issue with no payload allocation and wrong args checks in POST

Gnomjolnir/CoAPthon,thejdeep/CoAPthon,Tanganelli/CoAPthon,Cereal84/CoAPthon,mcfreis/CoAPthon,thejdeep/CoAPthon,Gnomjolnir/CoAPthon,Tanganelli/CoAPthon