Merge pull request #21 from exneval/master

*Fix typo in vip_gemstone.

conf/battle/player.conf

@@ -189,5 +189,5 @@ vip_drop_increase: 50
 
 // Gemstone requirement. Setting to false will disable.
 // Can the VIP Group ignore Gemstone requirement for skills?
-// Default: true
-vip_gemstone: true
+// Default: yes
+vip_gemstone: yes