Fix 'no multiple zeppelins of the same type' constraint server side.
Remove an insane lock.
Fix Zeppelin getPoints method.
Check that game tables in database are correctly assigned.
Empty-check player list.
Players can get the pollable turn data.
Client can open points.
Point checks that it is inside the game table.
Add game winning. Fix opened points not saved to table.
Fix null players in player list.
Remove unnecessary list any checks.
Check that players aren't in game before challenge and game.
Fix surrender link.
Fix modification exception.
Add missing where condition to gameState update.
Fix surrender missing condition.
Fix game state not proceeding from preparation.
Fix some setters as private.
Use dictionary for faster player retrieval.
Players ships are retrieved from the server on refresh.