Changed L96 .match() method to .search() method; that is how it should be, see Python doc on re
adds regexes to CHA.process_body method to get rid of unwanted strings being included as words in db
Unicode encoding is removed from the program since it is taken care of already in CHAparse.py in the process_body method
Adds alternative to regex to capture a new pattern
Adds comment about UNICODE encoding in CHAparse.py, and minor changes to run.py