item could be placed, the first window is now selected instead of the
last accessed one of them (which most people think of as a random
window).
git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1040 dbcabf3a-b0e7-0310-adc4-f8d773084564
added window_item_destroy(), window_item_remove() doesn't destroy the
item anymore
window_find_item()'s first parameter changed from WINDOW_REC to SERVER_REC
git-svn-id: http://svn.irssi.org/repos/irssi/trunk@922 dbcabf3a-b0e7-0310-adc4-f8d773084564