Changelog of @hackage/polytree 0.0.4

0.0.4

• Add nodeValue and nodeChildren
• Add node and node0 and node1 constructor functions
• Add foldTreeFix
• Add isomorphisms to Free monad

0.0.3

• Add Semigroup and Monoid instance

0.0.2

• Add more optics and functions

0.0.1

• This change log starts