Rand/Seq Selection works, tho stopAfterNTrs still nonfunctional and stims need work.

Signed-off-by: Andrew McKinney <mckinney@neuro.duke.edu>
Add HxW degrees to MATLAB print line.

Signed-off-by: Andrew McKinney <mckinney@neuro.duke.edu>
StopAfterNTrials works now that nSamples is set to 999999 and error message aborts next trial.

Signed-off-by: Andrew McKinney <mckinney@neuro.duke.edu>