initial import of StreamExpr.hs
more work
more initial work
add Jaek/Base.hs
add Jaek/Gen.hs
initial add of Tree.hs
add Tree.mkCut (and supporting functions)
more changes to Tree.hs
separate StreamT into a separate module
add support for inserting
add StreamExpr.mix
Tree.applyTransform: add Mix case
take hlint suggestions
add Tree.mkInsert
add Tree.mkMix
Also create some helper functions to simplify common patterns in mkCut, mkInsert
add LICENSE, jaek.cabal, and src/Jaek.hs
clean up some warnings
lots of work towards initial UI
StreamExpr.compile: minor cleanup
more work towards initial UI