0.2.3   April 10, 2011
        - Fix regex bug.

0.2.2   April 10, 2011
        - Fix namespace::clean issue.

0.2.1   April 10, 2011
        - Fix namespace::autoclean issue.

0.2.0   April 10, 2011
        - Fix regexp bug.
        - Encode url to keep validation.

0.1.0   April 10, 2011
        - First release.