removed extraneous underscore in file name generation in process_script
added generator for computing question accuracy per item for subject
set read_table to return an iterator
added generator to create region file
RegionTable now uses updated region function and dictTable has been modified
renamed dictTable and updated all references to it
tested my implementation, all checked out
moved revised readInput functionality to util.py, deleted readInput
documented and cleaned up section for reading in files
rewrote create_row_dicts as generator function and simplified writing process