New game+

NewGame+:

 * after beating the game you can carry over 5 characters + equipped items into a new game
 * has to happen the same day as you came back from the final mission (button at home)
 * Enemies will get a buff that increases their stats (The buffs values increase randomly and endlessly every new game)
 * Limits for maxlevel/genes/hostility etc. increase
 * You'll get some worldmodifiers applied to the world (similar to dificulty mods)
 * failed achievement become available again
 * new cheat "newgameplus" to enable the option at any point