Fixes odd bug where a bnode gets a datatype due to it not being cleared from
previous triple.

Example Data which failed to parse currectly:
(the bnodes for dsp:statementTemplate got a datatype)

@prefix skos:    <http://www.w3.org/2004/02/skos/core#> .
@prefix owl:     <http://www.w3.org/2002/07/owl#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix oo:      <http://purl.org/openorg/> .
@prefix foaf:    <http://xmlns.com/foaf/0.1/> .
@prefix vcard:   <http://www.w3.org/2006/vcard/ns#> .
@prefix org:     <http://www.w3.org/ns/org#> .

@prefix xsd:     <http://www.w3.org/2001/XMLSchema#> .
@prefix dsp:     <http://purl.org/dc/dsp/> .
@prefix :        <http://purl.org/oo/opd-profile/> .

oo:OrganizationProfileDocument rdfs:label "Organization Profile Document" .

:OrganizationProfileDocument
	a dsp:DescriptionTemplate ;
        rdfs:label "Organization Profile Document Top-Level Template" ;
	dsp:standalone "true"^^xsd:boolean ;
	dsp:resourceClass oo:OrganizationProfileDocument ;
	dsp:minOccur "1"^^xsd:nonNegativeInteger ;
	dsp:maxOccur "1"^^xsd:nonNegativeIntegerY ;
	dsp:statementTemplate [
		a dsp:nonLiteralStatementTemplate ;
		dsp:minOccur "1"^^xsd:nonNegativeInteger ;
		dsp:maxOccur "1"^^xsd:nonNegativeIntegerX ;
		dsp:property foaf:primaryTopic ;
		dsp:nonLiteralConstraint [
			a dsp:NonLiteralConstraint ;
			dsp:descriptionTemplate :Organization .
		] .
	] ;
	dsp:statementTemplate [
		a dsp:nonLiteralStatementTemplate ;
		dsp:minOccur "0"^^xsd:nonNegativeInteger ;
		dsp:maxOccur "1"^^xsd:nonNegativeInteger ;
		dsp:property dcterms:license .
	] .

:Organization
	a dsp:DescriptionTemplate ;
	dsp:standalone "false"^^xsd:boolean ;
	dsp:resourceClass foaf:Organization, org:Organization .
Merge pull request #56 from cgutteridge/master

Fixes odd bug where a bnode gets a datatype due to it not being cleared from previous triple.