+1.20 (IN PROGRESS)
+ - Add new sample program, samples/zoom/zoomscan.pl
+ - samples/zoom/zoomtst1.pl now accepts arbitrary options at
+ the end of the command-line, so that (for example) you can
+ specify a non-USMARC record syntax.
+ - The render() method of ZOOM::Exception(), and therefore the
+ overloaded stringifying operator, deals with exceptions that
+ have no message().
+
+1.19 Mon Jul 9 14:09:31 BST 2007
+ - Add $conn->exception() method.
+ - Set version number for Net::Z3950 to 0.99 -- less than the
+ 1.0 version number that will be used when it successfully
+ emulates the old Net::Z3950 module, but superseding the last
+ release, 0.51, of that module.
+ - Include samples/zoom/zdump.pl in distribution.
+ - Add "irspy" namespace to samples/zoom/zselect
+
+1.18 Mon Feb 26 14:57:48 GMT 2007
+ - When a connection is in asynchronous mode, failing
+ operations (search, scan, etc.) no longer throw exceptions.
+ This is because the event-loop in asychronous applications
+ needs to check for errors anyway, in case the server has
+ returned high-level diagnostics such as "unsupported use
+ attribute". So this check within the event-loop is now the
+ only place where error-checking need be done.
+ - Add new public ZOOM::Connection() function, check(), which
+ throws an exception if an error is pending (even if the
+ connection is asynchronous).
+ - New YAZ logging level, "zoom_check", notes when errors are
+ detected and either left unreported (asynchronous
+ connections) or thrown as exception (synchronous).
+
+1.17 Thu Feb 22 20:38:45 GMT 2007
+ - Change Net::Z3950::ZOOM::event() to allocate its array of
+ connection pointers dynamically, so there is no longer an
+ arbitrary limit of 100.
+ - New connection-level option "_check_debug" emits messages on
+ standard error when checking a connection find an error that
+ is about to result in throwing an exception. There is no
+ reason for you ever to use this, though -- pretend you don't
+ know about it.
+
+1.16 Tue Jan 16 11:18:34 GMT 2007
+ - Require version 2.1.41 or better of YAZ, so that Init
+ Response options are available using
+ $conn->option("init_opt_sort") etc.
+ - Include samples/zoom/zhello.pl to exercise these options.
+ - Add ZOOM_connection_peek_event() and $conn->peek_event().
+ - Require YAZ version 2.1.45, which is the first to provide
+ ZOOM_connection_peek_event().
+
+1.15 Fri Dec 1 14:17:49 GMT 2006
+ - ZOOM::Error::INIT is renamed to ZOOM::Error::ZINIT, since
+ INIT is a reserved word in Perl. In version 1.14 and
+ earlier, "require ZOOM" would fail, saying "Too late to run
+ INIT block", and "use ZOOM" would result in
+ ZOOM::Error::INIT having a value equal to its name (why?!)
+ rather than, as intended, Net::Z3950::ZOOM::ERROR_INIT.
+ - Belatedly added documentation for $rec->error() and
+ $rec->exception().
+
+1.14 Tue Nov 28 17:33:07 GMT 2006
+ - Add $record->error() to return non-surrogate diagnostics,
+ and $record->exception() to return the same information
+ wrapped in a ZOOM::Exception object.
+ - Requires YAZ 2.1.40, which provides ZOOM_record_error().
+ - $conn->error_x() now returns the error-code when called in
+ scalar context, rather than the diagnostic set name.
+
+1.13 Sat Nov 4 16:47:00 GMT 2006
+ - ZOOM::Connection::create() may now take either a single
+ argument, which is a ZOOM::Options object, or any even
+ number of argument (including zero), which are key => value
+ pairs of options to set.
+ - ZOOM::Connection::new(), having been refactored to use
+ create(), can now also take a ZOOM::Options argument.
+ - Documentation now includes information on specifying SRW,
+ SRU-over-GET and SRU-over-POST connections.
+ - ZOOM::ResultSet::record() throws a diagnostic if asked to
+ retrieve records out of range for the result-set.
+ - All tests against indexdata.com are now explicitly against
+ z3950.indexdata.com, as the identity of the former name has
+ recently changed.
+
+1.12 (NEVER PUBLICLY RELEASED; these changes are included in 1.13)