Use wrapper functions more often when checking monster behaviors.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@5891 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on June 16, 2008
IBCGW7GAP7MBB4EQ5Q6B6GAOUIYG3O7NLU2LCK37E7ZSDMTAAYZQC
Change contents