Changelog for yoko-

0.2 -> 0.4 =============== * drastic simplifications when writing the ICFP submission * I'll eventually work those older features back in --- Though it is *extremely* unlikely, I apologize if you were using them. 0.1 -> 0.2 =============== * improved the treatment of automatically generating algebras * emphasizing DCOf over DCU * moved all of the documentation from README to * still obsessively tweaking names throughout the library * improved the treatment of unique constructors * added SiblingOf and a corresponding superclass constraint to DT