v0.2.0

Semagrams v0.2.0

Diff since v0.1.2

Closed issues:

• Missing import in Schema.jl (#40)
• [BUG] Step 1 of Extended Introduction Failing (#45)
• [BUG] Step 2 of Extended Introduction Failing (#46)

Merged pull requests:

• Fix for to_json and from_json compatibility (#39) (@bosonbaas)
• Added Boxes import to Schema.jl (#41) (@sjbreiner)
• Added close! method for semagram tasks (#42) (@sjbreiner)
• Keep website deploy from overwriting docs (#43) (@bosonbaas)
• Upgrade to Catlab v0.13 (#48) (@epatters)