w3c/banana-rdf — pull request #112 by betehess (2014-08-31 03:36:27+00:00)
Title: Cleaned the stuff related to stores and SPARQL.

* got rid of the Free[Command]
* RDFStore is now a typeclass
* it is made of 3 three independent ones: GraphStore, SparqlEngine,
Transactor
* there is an additional Lifecycle typeclass for start/stop operations
* it comes with a default instance doing nothing
* syntax enhancement are made available from within the typeclass themselves