Update 27.04.2015

- fixed skill casting bug when lots of players online.
- when finishing quest with full inventory it wont fail anymore.
- fixed the player size view bug
- invite player to party through chat
- added range check at sharing party exp and quest kill count
- when receive exp then it will calculate the level difference.
- target stun is not removed anymore after next attacks
- disabled pet register so people dont crash anymore.
- fixed unlimited flying bug
- receiving items from mail is no longer bugged
- Upgrade system dbo-like except destroy item is not added.
weapon until grade 6 100%
armor until grade 4 100%
the rates above grade 4/6 are little low. Can be balanced any time.
- lose 10 durability each death.
- equipment with 0 durability dont give attributes to character