[nem-en] Debug support

[Kamil Skalski]

>
> Hm... All the same I can't set breakpoint on match.

In which example? The one I posted works fine - you can set breakpoint
on match and on match cases:

match (x) { // here
  |  1 =>  ()  /// or here
  |  2 =>  ()  // or here
}

I check check it again and post some screenshots  ;)

-- 
Kamil Skalski
http://nazgul.omega.pl