Read all about it!
The new version works with the Watchtower Library edition 2011. It also includes a number of other fixes. Changes as follows. You can download version 2.1 here.
Been doing some more in-depth investigation into the Copy intermittent bug. The problem concerns X11 and Wine, the two major underlying sub-components. Adjusting process and thread priorities does not seem to resolve it, not entirely. Work in progress!