Game server/skill system: Type3 skills are no longer player-specific (dmg calc is not correct for mobs still). Fixes #131, fixes #132, fixes #133,  fixes #141, fixes #144.
Game server/skill system: fixes #130; archery skills now take mana.
Game server/skill system: Fixed #142; _MAGIC_TYPE4::sAc should be signed. Also prevented total defense from ever dropping below 0.
Game server/clan system: clan notices are now sent when a player joins/leaves/is kicked. Resolves #140.
Game server/clan system: Fixes #139; it no longer crashes when trying to add a clan assistant.
Game server: capes are now saved correctly. Resolves #127.
Game server/party system: party leader symbol is now assigned and removed from the party leader. Fixes #136.