fixed opening screen bleeding into choose ship, new ship, and choose sector screens
changed normal sector size to medium (not the default anymore so not really normal) (Steve)
sped up respawn if system has a player and a quest that the player has
increased chances of spawning monsters involved in quests
added 13 types of mine fields (Bluddy)
changed PROTOCOL_VERSION to 9
doubled asteroid field chances
create ships screen now clears name when shown (incognoscente)
now will lose target lock on purpose if target goes out of range (option to keep old way though) (Steve/Cheet4h/keith.lamothe)
now get closest enemy to cursor method won't lock on if out of range (snow)
