better negative totem boost system, totems occur before switch in abilities

asm/macros/event.inc

@@ -1785,6 +1785,10 @@
 	dofieldeffect FLDEFF_SPARKLE
 	.endm
 
+	@ Set up a totem boost for the next battle.
+	@ 'battler' is the position of the mon you want to gain a boost. see B_POSITION_xx in include/constants/battle.h.
+	@ The rest of the arguments are the stat change values to each stat.
+	@ For example, giving the first opponent +1 to atk and -2 to speed would be: settotemboost B_POSITION_OPPONENT_LEFT, 1, 0, -2
 	.macro settotemboost battler:req, atk=0,def=0,speed=0,spatk=0,spdef=0,acc=0,evas=0
 	setvar VAR_0x8000, \battler
 	setvar VAR_0x8001, \atk