library functions for handling Levenshtein matrix, and a second, more focused visualization
change formatting of matplotlib output
basic consolidate columns function, and a notebook which creates the tuples and tests it
more nuanced edit distance algorithm; cleaner example for consolidating columns; before/after graphs
Merge branch 'consolidate-columns-1' of github.com:npdoty/bigbang into npdoty-consolidate-columns-1

Conflicts:
	bigbang/process.py
Merge branch 'npdoty-consolidate-columns-1'
modifying notebook code to avoid "got two values for width argument" error