Update format of test case resource Markdown files
Merge pull request #2 from distobj/master

Add canonical repr of Versa model for use in tests
Design improvements to Versa pipeline tools. And a test case\!
API fixes i.e. subj->origin, pred->rel, obj->target
Fix to handling of interpretations in Versa Literate
Fix use of interpreted data types in @docheader
Fix memory.add_many
Add canonical representation support to jsonload