Entity conversion

Entity conversion to triples is now much more efficient

Filter var functions

Vars can be used as functions in filters

Added nested flag for entities

By default, top level entities are returned by reference when they are nested. This new flag can override that.

Cleanup on 1.2.4

Removed bad references to naga-store code

TX updates

Updated internal APIs for transactions. Added empty array support for entity values via Zuko

Testing using transients for bulk loading

Transacting data now uses transients for loading. Testing to see if this helps with slow ingest

macro difference for clojurescript

Updated type predicates to not use macros as values in ClojureScript

Minor fixes on paths and planning

Zero step transitive paths, optionals planning

Optionals and Planning

Adds the new OPTIONAL operator, and inspecting query plans

entity updates

Update operations on entities