Citrines give +2 infravision in addition to their +1 lite radius
Turquoises gives +10 see through stealth in addition to their +10 see invisible
+ damage gems now give +1-5% crit rate (phys, spell, and mind) as well



git-svn-id: http://svn.net-core.org/repos/t-engine4@5191 51575b47-30f0-44d4-a5cc-537603b46e54