4.04v

1. We will be able to read variable passed like this. In additional chat variables Old way passed variable name just enter username. This will improve compatibility with older embed codes.

LHCChatOptions =
  {
      "attr_prefill": [
          {
              "name": "username",
              "value": "remdex"
          }
      ]
  }

2. {args. will be supported in canned messages and canned messages replace variables. E.g {args.chat.chat_variables_array.player.firstName}
3. Various small bugfixes.

execute doc/update_db/update_276.sql for update