Add setGlobal and setPref vararg support to the test preference handler 
Add setGlobal and setPref vararg support to the test preference handler 

git-svn-id: 6772fbf0389af6646c0263f7120f2a1d688953ed@5079 e969d3be-0e28-0410-a27f-dd5c76401a8b

kpdecker/fireformat