Remove conflicting "Exception" import and move "System" import to class body. Fixes #159.
Remove conflicting "Exception" import and move "System" import to class body. Fixes #159.

felixvf/mirah,aspleenic/mirah,KeenS/mirah,felixvf/mirah,KeenS/mirah,mirah/mirah,uujava/mirah,nuclearsandwich/mirah,KeenS/mirah,nuclearsandwich/mirah,aspleenic/mirah,uujava/mirah,mirah/mirah,mirah/mirah,felixvf/mirah,mirah/mirah,felixvf/mirah,nuclearsandwich/mirah,uujava/mirah,KeenS/mirah,aspleenic/mirah,aspleenic/mirah,uujava/mirah,uujava/mirah,aspleenic/mirah