v0.3.1

Fixed a bug in the resistance calculation. Added Julia version upper bound.

v0.3.0

Standardized input units and naming conventions. Updated MINLP solvers used in testing.

v0.2.0

Undirected and directed gas formulations, support for multiple producers and consumers at each junction, added compressors and control valves, and data summary feature.

V0.1.0

initial release