Found a few places where queue refcounts were counted incorrectly. Also add debug statements.

(closes issue #15982, closes issue #15984)
 Reported by: atis
 Patches: 
       20091111__issue15982.diff.txt uploaded by tilghman (license 14)
 Tested by: atis


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@231134 65c4cc65-6c06-0410-ace0-fbb531ad65f3