added player rotation instead of static rotation for 4 players in gamecontroller
fixed local game to work with 2 or 3 players too
game is no sort of playable in a network game 1v1, there seem to be some communication issues between updating the cards between server and client
fixed a bug where a player could draw more than 1 card
try to improve the consitency of readyread/readnextdata
fixed network communication so no error occurs. still some bugs in the game, z.b. playable cards doesnt seem to work porperly at remot players