fixes by Stag

git-svn-id: https://svn.kvirc.de/svn/trunk/kvirc@6314 17fca916-40b9-46aa-a4ea-0a15b648b75c
add support for passwords in dialog.textinput by dvdscripter

git-svn-id: https://svn.kvirc.de/svn/trunk/kvirc@6315 17fca916-40b9-46aa-a4ea-0a15b648b75c