"qualifier.dc.creator"-like properties as well as
"index.dc.creator" -- backwards compatible with version
prior to 1.0 as well as those subsequent.
+ - Reinstate the "exact" relation even when v1.2 is in effect
+ (the default), despite its removal from v1.2 of CQL. In
+ practice, it seems to be in fairly widespread use, and
+ little real purpose is served in removing it.
1.6 Thu Jun 17 10:56:24 BST 2010
- Fix the bug where "9x" is lexed as two tokens, a TT_NUMBER