Add initial turtle parser

Julien LepillerTue Mar 31 04:36:16+0200 2020

815b39c

guile-rdf/rdf
namelast commitdate
rdf.scmInitial commitTue Mar 31 04:36:06+0200 2020
xsd.scmInitial commitTue Mar 31 04:36:06+0200 2020