Fixed a npcs save
Fixed a spawns and npcs load
More cleanups

Also, bind map descriptions auxiliar functions
Add full npc read (it not cause bug)
Merge branch 'master' of https://github.com/BrunoDCC/otclient

* 'master' of https://github.com/BrunoDCC/otclient:
  Add full npc read (it not cause bug)
  Fixed a npcs save Fixed a spawns and npcs load