fixed cue error
fixed bug when checking light schedule
initial commit of check_cmdline_params
added check_cmdline_params to two_alt_choice.py
if a session terminates mid-block, the block will pick back up at the same loc
fixed handling of trials left in queue
adjusted logging levels
add percent reinforcement, add empty cue switching behavior file
implement marvin's suggestions
expanded documentation
change ratio to prob, add asserts