Rollback: Avoid using SubHandlingValue object inside XCAPManager

Ignore-this: 909329b76f91be492e28fe189e497d89

rolling back:

Wed Sep 22 17:13:45 CEST 2010  Saul Ibarra <saul@ag-projects.com>
  * Avoid using SubHandlingValue object inside XCAPManager

    M ./sipsimple/xcap/__init__.py -14 +14

darcs-hash:20101006145351-56b4d-fa8b8b295046842ddac565d95f6fbbf43db14951
Rollback: Changed visibility of command and data channels

Ignore-this: 4f48914d5cb8710e271b6c718b0fb128

darcs-hash:20101006152422-56b4d-552204fb63150fd25bd843fc4b4b5e83141eefb8