v0.16.9

Catlab v0.16.9

Diff since v0.16.8

Merged pull requests:

• VM-based homomorphism search (#830) (@olynch)
• Fix types in graph algorithms (#898) (@slwu89)
• Cartesian transformations between acsets (#899) (@KevinDCarlson)
• Missing ACSetsGATsInterop methods (#901) (@kris-brown)
• Bump dependency on ACSets.jl (#902) (@epatters)

Closed issues:

• Question about abstract vs. concrete type in enumerate_paths (#897)