updated TODO list

TODO

@@ -1,6 +1,4 @@
-09:41 <@garbeam> gualteri: I think the mouse behavior should be the same as $MODKEY-Shift-{h,l} at the moment, 
-                 with the same semantic, if one moves the last client of a column to another, the column gets 
-                 destroyed
-09:42 <@garbeam> if one moved the client outside the screen area more than 50% at left or right border, a new 
-                 column is created, if the old column > 1 client
-
+- separate scaling stuff from arrange_{view,column} to scale_{view,column}
+- FocusIn sets focus handling
+- maximize stuff
+- UTF8 issues (XDrawString16)