Possible compatibility problems with earlier versions marked with '*'.
+New ODR utility, odr_getelement, which returns name element for
+which encoding/decoding failed.
+
+Fixed ODR so that it returns error code OREQUIRED rather than ONONE
+in cases where a required element was omitted.
+
+Bug fix: some MARC8 sequences were not converted.
+
New ZOOM option "step" which specifies number of records to be
retrieved in one chunk. Used in conjunction with "start" and "count".