Handle documents that don't contain query terms.
Fix results file formatting.
Data structures now have write methods to write to file.
Changed handling of data structures.
Changed constructor of QueryProcessor. Inverted index now read from file instead of memory. Documents scored even if they don't contain query.
Added debug print calls.
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main.py
	src/query.py