-speed liberator up (felix does XShmGetImage in 40ms, liberator in 400)
-speed it up ?
-do change-based paging
+make dict char update able to only add to one of upper/lower so that
+we can have
+ upper lower
+ in
+ I err
+ Iron
+ need to rethink all this
write real uploader
test real uploader
+further speedups