[Fix `query-view-get-instances' for `elephant-query-view'
clinton@unknownlamer.org**20090216100256
 Ignore-this: 27e7f76b38b6726f982a63ca3185f055
 The upper layers of the `query-view' protocol may pass actual objects
 to `query-view-get-instances'; if this occurs then the proper indexed
 slot value must be extracted and passed to `get-instances-limit'
] hunk ./src/elephant/elephant-query-view.lisp 31
-			 lower upper
+			 (if (typep lower index-class)
+			     (slot-value lower index-slot)
+			     lower)
+			 (if (typep upper index-class)
+			     (slot-value upper index-slot)
+			     upper)