Added multi level up level caps (#3646)

conf/battle/exp.conf

@@ -18,6 +18,12 @@ job_exp_rate: 100
 // Turn this on to allow a player to level up more than once from a kill. (Note 1)
 multi_level_up: no
 
+// Allow multi level up until a certain level?
+// This only triggers if multi_level_up is enabled.
+// Default: 0 (Unlimited)
+multi_level_up_base: 0
+multi_level_up_job: 0
+
 // Setting this can cap the max experience one can get per kill specified as a
 // % of the current exp bar. (Every 10 = 1.0%)
 // For example, set it to 500 and no matter how much exp the mob gives,