v0.8.1

Gurobi v0.8.1

Diff since v0.8.0

Closed issues:

• can someone help me about Gurobi package error in Julia (#310)
• More fun with lazy update semantics (#315)
• Running Gurobi v0.7.7 on mac/Unable to locate Gurobi installation (#322)
• Failed to install Gurobi to Julia (#324)
• Error "Invalid Gurobi license" on HPC using machine-file option. (#325)

Merged pull requests:

• Adds buffering for variables deleted. (#317) (@henriquebecker91)
• Update Project.toml (#321) (@odow)
• Update README.md (#323) (@odow)
• Update Gurobi parameters to include new params released in 9.0 (#328) (@ryancorywright)