16 Mar 2013 - v0.03
    * Fix a bug where clicking on a line number would not set a breakpoint
    * Code panes are rendered smaller to fit more on the screen

15 Mar 2013 - v0.02
    * Hover over a variable to see its value.  Works for all stack frames.
    * Currently executing sub and its args are shown at the top of the code
    * The PerlValue serializer can now handle Regexp refs

9 Mar 2013 - v0.01
    * First Release
    * Single step, step over, step out, continue
    * Watch expressions