Tweak to the RDF export namespace: atoms are 'things' when mapped to OWL individuals. No prefix is needed to distinguish atoms from other resources; there are only 'things'.
Experimental undo/redo framework for the mobile Ripple environment
Added support for typing of all extended single vowels and consonants up to Unicode 00ff
Brain-stream atoms now start with low weight, so as to allow them to be indexed for full-text search without making them a nuisance