The Sifflet visual functional programming language and aid to understanding recursive functions (http://mypage.iu.edu/~gdweber/software/sifflet/home.html)

#53Merge packages

All these Cabal packages -- sifflet-lib, sifflet, and tests -- ought to be merged into one, with flags to control whether the application and tests are built. Configuring, building, etc., are too tedious otherwise.