Add :max :id to start { }
Add :max :id to start { }

Inspired by jnthn++'s talk at YAPC::EU about image processing.  I felt that the
throttling code needed some system support.

perl6/specs,tokuhirom/specs,prammer/specs,perl6/specs,tokuhirom/specs,prammer/specs,tokuhirom/specs,prammer/specs