small modficiations to test scripts
state-bits removed from exp_sze
small modification of wfsa_to_dot
	modified:   discard_tests.sh
	modified:   exp.py
	modified:   exp01.py
	modified:   exp_sze.py
	modified:   merge_tests.sh
	modified:   sze_tests.sh
	modified:   ../wfsa_to_dot.py
Merge branch 'master' of github.com:recski/py-wfsa-learner
conflicts resolved
Conflicts:
	exp/exp.py