Link a new or existing SteamId in GameStats
Link a new or existing SteamId in GameStats

See koraktor/steam-condenser#152

bfosberry/steam-condenser-ruby,Arie/steam-condenser-ruby,kickback/steam-condenser-ruby,hcool/steam-condenser-ruby,jpalumickas/steam-condenser-ruby,koraktor/steam-condenser-ruby