v0.13.8

Catlab v0.13.8

Diff since v0.13.7

Merged pull requests:

• Initiality test for FinFunctors (#573) (@kris-brown)
• DOC: category of elements examples (#583) (@jpfairbanks)
• Benchmarks for paper (#588) (@olynch)
• Type inference can fail in FinSetIndexedLimit (#600) (@epatters)
• Loosen types for Graph to PropertyGraph constructors (#601) (@epatters)
• Loose acset homomorphism search (#603) (@kris-brown)
• Category of elements action on morphisms and inverse constructions (#604) (@kris-brown)
• Upgrade Convex.jl to v0.15 (#607) (@epatters)
• add hash method for diagram/diagram hom (#610) (@kris-brown)
• Replace half-baked function roottype with Base.typename (#611) (@epatters)