[NTG-context] [util-jsn] incorrect handling of escapes

Hi, the JSON parser handles backslash escapes improperly. Example: local data = [[ { "escapes" : "(\")(\\)(\b)(\f)(\n)(\r)(\t)", "invalid" : "\'\v" } ]] local stuff = utilities.json.tolua (data) inspect(stuff) Currently it chokes on double quotes and treats the other escapes like Lua. Fix suggestion attached. Best regards, Philipp