Version 1.4 has been released

* New Features:
** Upgraded castles now produce additional income
** Tome updates w/ additional clarification
* Game Balances:
** Cockatrice assassination hit chance increased from 20% to 25%
** Elven Archers missile hit chance increased from 10% to 25%
** Elven Mounted Archers missile hit chance increased from 20% to 35%
** Gadianton Assassin assassination hit chance increased from 10% to 15%
** Gorgon assassination hit chance increased from 30% to 35%
* Bug fix:
** Fixed issue where saving/loading a game could infinitely increase a Hero's stats (thanks Grune!)