it is alive
introduces delta concept
porting list to explicit dag
porting to mailbox handlers
ports AggregatedCell to mailboxes
moves leak/seal methods to internals
ports Cell tests
posts Cell.bind tests
ports Cell.coalesce
removes Cell.lift since TngDo tests the same
ports Cell.when
ports List, List.lift
ports List.reduceGroup
ports List.reduceMonoid
ports unwrapObject
Merge branch 'master' into explicitDAG
removes obsolated code
refactors structure
moves adt to core
moves dag