v1.0.2

FeynmanDiagram v1.0.2

Diff since v1.0.1

Merged pull requests:

• Clean up README (#182) (@dcerkoney)
• Support generating diagrams as Graph in GV (#183) (@houpc)
• Improve graph I/O (#184) (@dcerkoney)
• bugfix for remove_zero_valued_subgraphs! (#186) (@houpc)
• Update to v1.0.2 (#187) (@houpc)

Closed issues:

• More efficient algorithm to evaluate diagram tree (#7)
• refactor DiagramID (#44)
• Error when generating (3,0,0) vertex4 diagram (#127)
• Optimization for Computational graph (#165)