Add documentation, and clean up the Resource API.
Adding in the pipe connections, and fix the hard use of "List", so that there is not the excessive casting and list copies.
Merge branch 'master' of github.com:groboclown/builder.dart
Add additional standard package layout defnitions to make builds easier.
Update the builder to include the beginnings of unit test support.  Looks like a major refactoring is needed to use Futures instead of the iterative approach now being done.