Started the SimpleProcessor
Added a lengths operator, going to add one for Document, and so on. Removed the Evaluator type herarchy - not needed any longer. Slightly refactored to reuse index hooks better.
Removed the Aliases object, moved the aliases into the package object for julien.
Refactored into proper class files (except in cases where the class definitions are tiny
Renamed ViewOp subclasses from *Op to *View
Got the processor working over a QL example.
Refactored the *Seq classes to actually be able to provide List repr's after a transformation.