Fix assert-valid.
Added source urls to codox.
Improved validation chain.
Namespace internal arianna fields.
Upgraded to poppea 0.2.0 (namespace qualified function)
No more creating record types.
Split out to-validators.
More solid implementation of cond and when.
Restructured interpret for removal or has and as-key
as-key and has are now implemented in terms of basic clojure functions.
Vastly revised README.
Updated docs