Log Message:
Update to 1.1.3:

Enhancements
- Rewrote the Attribute Value Template code
- new XPath compilation interfaces
- dictionnary reuses for XSLT with potential for serious performance
  improvements.
- Documentations: cleanup (John Fleck and William)
- Python: patch for OS-X (Gianni Ceccarelli), enums export (Stephane bidoul)

Fixes
- portability (William Brack)
- key() in node-set() results (William)
- comment before doctype (William)
- math and node-set() problems (William)
- cdata element and default namespace (William)
- behaviour on unknown XSLT elements (Stefan Kost)
- priority of "//foo" patterns (William)
- xsl:element and xsl:attribute QName check (William)
- comments with -- (William)
- attribute namespace (William)
- check for ?> in PI (William)