_____________________________________________________________________________
Immediately
+ - Topology crap is kinda messed up
+ - Atom should be a topology, shouldn't it?
+
+ - needs/hates/follow API ugliness
+
- do Forest/Tree still need a Region?
+ - reconsider the degree of genericization
+ - GraphViz stuff pollutes the API...
+ - Forest needs a "manual access" API
+ - the unwrap bit in Forest makes it really hard to expose an API for forests
- evil problems with (x y? z /ws)
- ParseFailed, GSS, Walk, Parser, Sequence, Forest