Experimental reusing the connection when bulk getting messages

[Philip Van Hoof <spam pvanhoof be>]

This makes getting a lot messages a lot faster, and reduces the amount
of threads that are needed.

Sergio has my permission to roll these changes back if they cause havoc
while I am at LinuxTag in Berlin.

svn diff -r 2055:2058


-- 
Philip Van Hoof, software developer
home: me at pvanhoof dot be 
gnome: pvanhoof at gnome dot org 
http://www.pvanhoof.be/blog