redid action interfaces to reduce code copying

also added create success action

wrote 17 HelloAction [buildVersion=13.4, whereToSendPlayer=-2,
keyTime=-1, key=[], somethingThatsEmpty1=, rotmgUrlLibParamEntryPoint=,
gameNet=rotmg, somethingThatsEmpty2=, playPlatform=rotmg,
somethingThatsEmpty3=]
got incoming MapInfoAction 60 53 MapInfoAction [width=256, height=256,
name=Nexus, momebujot={nexus.Nexus}, dem=-1, seedForRandom=264624281,
background=2, allowPlayerToTeleport=true, showDisplays=true,
clientXML=[], extraXML=[]]
wrote 45 LoadAction [charId=1]
got incoming CreateSuccessAction 31 13 CreateSuccessAction
[objectId=80039, charId=1]
got unknown  NO CLASS 26 9979
got unknown  NO CLASS 9 25
got unknown  NO CLASS 46 11
got unknown  NO CLASS 46 11
got unknown  NO CLASS 26 4868
got unknown  NO CLASS 26 72
got unknown  NO CLASS 26 72
got unknown  NO CLASS 26 72
got unknown  NO CLASS 26 134
got unknown  NO CLASS 26 72
got unknown  NO CLASS 26 72
got unknown  NO CLASS 26 72
got unknown  NO CLASS 26 72
got unknown  NO CLASS 26 72
got unknown  NO CLASS 26 137
got unknown  NO CLASS 26 37
got unknown  NO CLASS 26 140
got unknown  NO CLASS 26 137