Updated modularity.py to convert networkx sparse matrices to dense matrices so they can be converted to numpy arrays
Added functions to util.py (format_matrix3 and store_metrics2) that are needed based on the structure of some projects
Merge pull request #26 from jrcohen02/edits

Edits
Fixed typo in recent fix to modularity.py
Merge pull request #27 from jrcohen02/edits

Fixed typo in recent fix to modularity.py