caught value error thrown if illegal json was provided in post requests, fixing issue #11
caught value error thrown if illegal json was provided in post requests, fixing issue #11

instead of crashing server, the bad request now triggers a 400 BadRequest response

kkleidal/chain-api,ResEnv/chain-api,kkleidal/chain-api,ResEnv/chain-api,kkleidal/chain-api,kkleidal/chain-api,ResEnv/chain-api,ResEnv/chain-api