Catch exceptions in RPC request handling setup
Catch exceptions in RPC request handling setup

Fixes trello#156 https://trello.com/c/bwkEFRmZ

ElevenGiants/eleven-server,ElevenGiants/eleven-server,KaiyonAlatar/eleven-server,KaiyonAlatar/eleven-server,yelworc/eleven-server,Whizy/eleven-server,ElevenGiants/eleven-server,KaiyonAlatar/eleven-server,Whizy/eleven-server,yelworc/eleven-server,Whizy/eleven-server