Version bump to 4.3.1 and updating CHANGES.txt
fix plotting and add visualizations to testing
Version bump to 4.3.2 and updating CHANGES.txt
drop startup cost tightening constraints
Version bump to 4.3.3 and updating CHANGES.txt
update to coopr 3.3
Version bump to 4.3.4 and updating CHANGES.txt
log solver output if debugging. try to get pyomo to import quietly
get rid of ipdb in tests
Version bump to 4.3.5 and updating CHANGES.txt
clean WW UC example
add solver timelimit option (and allow use of incomplete solutions). better debugging (show solver output, don't log to files, set logging level to debug)
Version bump to 4.3.6 and updating CHANGES.txt
fix infeasible deterministic resolve. fix commonscripts.quiet function for ipython notebook import. move correct_status to commonscripts