* check why unreadMsgCount not well updated with seamonkey

* make multi-platform. At least have js-ctypes library call dependant on OS detection. (best would be to have the OS-dependant modules loaded at startup) 

* convert to a https://developer.mozilla.org/en/Extensions/Bootstrapped_extensions

see ../restartless-restart-ffext/ and
http://erikvold.com/blog/index.cfm/2010/10/28/restartless-firefox-addons-part-1-giving-your-addon-the-bootstrap

WONTFIX:

* ability to hide windows individually/globally