Refactor, lexical-only.

It turns out that qualifying a class with the class name as a prefix
is not ideal, as it prevents jiggering with the class heierarchy. This
is the inital cut at that work, along with updating to use my
DEFOBJECT class (now no longer in batteries).

Will likely split off the xcore sim-reader into its own world, which
reads a sim and returns a generic container with the appropriate
sexp-styled information. Following that, the generic tta reader will
read it and produce an output.
Adding data generated by communicator.lisp. Probable protocol.
Work on the semantic run for a sexpr. Moved repo printing stuff to the bottom. Deleted unused stuff.
Minor reformat; add abstraction
Merge branch 'refactor' of github.com:pnathan/tta-followon into HEAD

Conflicts:
	code/development-tracer/sim-reader.lisp
Pushed some code around and verified things work.

We can create a sexpr simulator-run. Hurray. From this point we need
to stack up to the 'top' of the system, verifying interfaces along the
way.
Adding opcode handling.

Opcode interface is a major part of the TTA code for semantic runs.
Fixup from prior patch. Minor reformat.
Easier parse of information - use alists
Rework the sexpr file storage format.

Further, rework the file reading format.

Notes on the current system.

1. Lots of work goes into the sim reader that is related to inferring
up what is already present in a more sophisticated system.

2. The key task next up is to build the edges for each channel. The
new graph should be generated out of the semantic-sexpr-run
information. This graph needs to have all nodes in it and all
channels. Maybe a channel-start for each channel?

Key functions to use to prune are: prune-too-short-paths,
prune-incorrect-sequencing, and prune-bad-starts. See
find-feasible-paths-for-trace as an example.  Note that these should
be passed into the all-paths generation to prune paths on the fly and
not return paths that later need to be pruned.
sim-reader is too tied to the MS work & the XC model.

tta.lisp is a redo designed to be used for more industrial purposes.
Snapshot of the state...