Improve turtle parsing

Julien LepillerWed Apr 01 03:19:56+0200 2020

944a9c3

guile-rdf/tests
namelast commitdate
turtle.scm.inAdd test infrastructure and turtle testTue Mar 31 04:36:16+0200 2020
turtle.trsAdd test infrastructure and turtle testTue Mar 31 04:36:16+0200 2020