linting

adding www.playgo.gg

adding playgo.gg to list of approved urls

adding cdn.discordapp.com to approved urls

namecards only scroll when necessary; send payload_bytes instead of j…

…son_payload

enriching error in ReceiveEvent

long names scroll instead of truncate

two more router tests

patching sgf parser to allow multifields with redeclared keys

taking out obsolete test and unused function from room handler