new file:   model/exec.py
	modified:   sim/impl/cdetmn.py
	modified:   sim/impl/cdylock.py
	modified:   sim/impl/epdetmn.py
	modified:   sim/impl/fpdetmn.py
	modified:   sim/impl/mstdylock.py
	modified:   sim/impl/slpdetmn.py
	new file:   sim/scripts/ccomp.py
	new file:   sim/scripts/cdyncommit.py
	modified:   sim/scripts/collect.py
	deleted:    sim/scripts/confgen.py
	modified:   sim/txns.py