Fix potential bugs in match_list.

Can not bind list matches either.

Cleanup in support.

Clean up support library.

Don't allow repetition of lists.

Ensure ast consumes all items when match_list don't check EOF.

Clarify name.

Nicer init of runtime.

Rename RuntimeAction to SemanticAction.

Re-order for clarity.

Move rules map to the top. I think that is more clear.

Move operators to stream class.

Move stuff to runtime and clean up some formatting.

CodeGenerator generates Match classes.

Fix bug in Runtime.bind.