revised how sentence and question tables are loaded
added check for DA1 in files_to_tables
cosmetic changes to create_subj_tables
function to compute region and measure data, added create_dict fxn
minor updates to region and measure fxn
updated unpack_trial_data
changed how question stuff was computed
finalized loopless flow, ready for testing
loolpess routine runs, testing quality of output
minor changes for testing
fixed all bugs, current version runs flawlessly
cleaned up some comments, improved get_subj_num
cleaned up create_file_paths
cleaned up create_subj_tables and renamed create_subj_paths to subjects_filepaths
moved and cleaned up unpack_region_data, renaming it to region_info
added docstring to zero_to_NA
added docstring to trial_fields
renamed trial_fields to trial_info for consistency with region_info
renamed trial_fields to trial_info for consistency with region_info