Hello Lefreut, in fact the version 0.9.1 is more stable and flexible. :D
The click-and-drag of the windows has improved significantly, but the edges "Top Left, Right Top, Bottom left and Bottom Right dismantled still, a little less than the previous version.

I take this opportunity to report that a translation into Portuguese and would like to include you in the context menu of the next version (0.9.2):
Http://www.4shared.com/file/44343551...ified=6c5a0f3b