v0.4.1

DisjunctiveProgramming v0.4.1

Diff since v0.4.0

Merged pull requests:

• add Logical alias for Logical Variable. Closes #73 (#74) (@hdavid16)
• Create CI.yml (#75) (@hdavid16)
• fix documenter task (#76) (@hdavid16)
• fix ci (#78) (@hdavid16)
• Update README.md (#79) (@hdavid16)
• Juliacon_proceedings (#80) (@hdavid16)
• Update README.md (#81) (@hdavid16)

Closed issues:

• Add a short alias for LogicalVariable (#73)