Bugfix! Snakes no longer cowardly!

Snakes had a behavior which caused them to run away from players level 9 and above, causing them to disappear forever and preventing the player from getting the vital "Viper Flesh" item. Snakes will no longer run from battle.

Also, their entangle skill caused the incorrect "Amusement" status effect. This has been changed to the correct status "Paralyze".