[bugfix] Cardinality should return MANY not ONE_OR_MORE when there is…

… 1+n items

src/org/exist/xquery/value/AbstractSequence.java

@@ -62,7 +62,7 @@ public int getCardinality() {
             return Cardinality.EXACTLY_ONE;
         }
         if (hasMany()) {
-            return Cardinality.ONE_OR_MORE;
+            return Cardinality.MANY;
         }
         throw new IllegalArgumentException("Illegal argument");
     }