fix changing language in wizaed

and please, guys, STOP bumping adddon.xml WITHOUT tagging.
I do not see 0.4.3, 0.4.5 and 0.4.6 tags
please update 0.4.6 changelog if you have something to push..
please tag 0.4.6 when you are done....
if you have 0.4.3 0.4.5 0.4.6 tags localy please delete em..