Added quick workaround for sh:order property

src/coscine/graph.py

@@ -133,8 +133,8 @@ class ApplicationProfile:
 				(GROUP_CONCAT(?in; SEPARATOR="~,~") as ?ins)
 			WHERE {
 				?_ sh:path ?path ;
-					sh:name ?name ;
-					sh:order ?order .
+					sh:name ?name .
+				OPTIONAL { ?_ sh:order ?order . } .
 				OPTIONAL { ?_ sh:class ?class . } .
 				OPTIONAL { ?_ sh:minCount ?minCount . } .
 				OPTIONAL { ?_ sh:maxCount ?maxCount . } .