Changed unwield_item() to actually unwield the item, and to have it

unwield your weapon rather than something arbitrary (I found no cases in the code where this wasn't what was wanted.)

Implemented some of David's deck changes:

  • decks weigh half as much
  • names changed
  • Draw Card doesn't cost piety; cost upped to 2 MP
  • Nemelex card power bonus now applies even when not praying
  • Damnation can now banish extra targets (your own chance of banishment remains the same.)
  • Nemelex doesn't accept sacrificed decks.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@2082 c06c8d41-db1a-0410-9941-cceddc491573

Created by  haranp  on September 13, 2007
KHHAE5ZK7ITEZVMMUKYROKECLE2RU5ZU5OQ4Z4XSRQXE2R65O67AC
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