v0.6.2

Plasmo v0.6.2

Diff since v0.6.1

Merged pull requests:

• Fix link to documentation in README (#115) (@odow)
• Address slow constraint creation with many variables on nodes (#116) (@jalving)
• Added Quadcopter Problem to Documentation (#117) (@rishimandyam)
• Added JuMP.delete extension for link constraints (#118) (@dlcole3)
• copy object data with set_jump_model (#119) (@jalving)

Closed issues:

• @variable and @constraint macros are very slow when defining over sets in v0.6 (#114)