Revision history for Geo-Gpx
0.13    2006-11-26
        Implement complete support for parsing and generating GPX 1.0
        and 1.1 documents
0.14    2006-12-12
        Added support for 'input' option that is passed through unchanged
        to XML::Descent. The old 'xml' option is still supported for legacy
        use.
0.15    2006-12-14
        Minor documentation typos fixed.
        Fixed problems due to differing numeric precision on different
        platforms in t/03.gen-parse.t and t/04.legacy.t
0.16    2007-02-11
        Fixed idiotic dependency on rand producing the same values given
        the same seed on all platforms.
0.17    2007-02-23
        Added machine readable licence.
        
0.18    2007-08-07
        Replaced AUTOLOAD with generated accessors.
        Added bd foy's suggested add_waypoint method.
0.19    2007-10-11
        Fixed wpt element ordering per #29909
0.20    2007-10-11
        Release to (hopefully) fix bizarre test failures.
0.21    2007-10-13
0.22    2009-03-08
        Always use UTC for timestamps. Refs #34463. 
        Make bounds work as documented. Add TO_JSON support for JSON
        encoding. Refs #34458. Thanks to Steve Purkis.
0.23    2009-03-08
        Skip JSON tests if installed JSON is too old.
0.24    2009-03-10
        Avoid clock skew in JSON tests.
0.25    2009-05-05
        Implement time zone support. Refs #28532.