Updating hasMember comment with note on transitivity (fixes #36)

models.rdf

@@ -98,7 +98,7 @@
 
     <rdf:Property rdf:about="http://pcdm.org/models#hasMember">
       <rdfs:label xml:lang="en">has member</rdfs:label>
-      <rdfs:comment xml:lang="en">Links to a subsidiary Object or Collection. Typically used to link to component parts, such as a book linking to a page.</rdfs:comment>
+      <rdfs:comment xml:lang="en">Links to a subsidiary Object or Collection. Typically used to link to component parts, such as a book linking to a page.  Note on transitivity: hasMember is not defined as transitive, but applications may treat it as transitive as local needs dictate.</rdfs:comment>
       <rdfs:domain rdf:resource="http://www.openarchives.org/ore/terms/Aggregation"/>
       <rdfs:range rdf:resource="http://www.openarchives.org/ore/terms/Aggregation"/>
       <rdfs:subPropertyOf rdf:resource="http://www.openarchives.org/ore/terms/aggregates"/>