Debugging shaper tool.

git-svn-id: svn://graphite/diminuto/trunk@609 5dfbf39a-1452-0410-8a97-9e58fedde8e3
Testing shaper.

git-svn-id: svn://graphite/diminuto/trunk@610 5dfbf39a-1452-0410-8a97-9e58fedde8e3
Added shaper filter (but still debugging).

git-svn-id: svn://graphite/diminuto/trunk@611 5dfbf39a-1452-0410-8a97-9e58fedde8e3