Shell command can have a block (to pass afterok, e.g.)
Added a test for deep afterok.
Small fixes.
Some unknown work done.
Drop MongoMapper for now.
Completely drop MongoMapper.
Now completely drop Mongo and fix most tests.
All tests pass!
Produce graphs.
Check topsort returns correct order.
GoGo submits scripts\!
Add class method @inputs.
Convert gogo to JSON.
Convert to a gem\!
Move tests.
Rename test so they can be run via rake test.
Tests pass.
Tests pass.
Fixed a problem with submit graph.
Remove Graphviz output option.