• Updated the use of NetworkX MultiDiGraph class and topographic metrics
• Added methods to groups links and nodes into segments based on the location of isolation valves
• Updated several graphics functions
• Updated the mass consumed water security metric to include a detection limit
• Updated skeletonize and other network morphology functions to be more efficient when using large networks
• Added a sensor placement optimization example
• Updated documentation and testing

See WNTR version 0.2.2 Release Notes for more details.