Logout
Improvement to logout.
Final change to logout

Took out reauthenticate variable because it wasn't being used.
Merge pull request #14 from vtsyms/Logout

Logout
Revert "Merge pull request #14 from vtsyms/Logout"

This reverts commit 5aace2399299fd71ef1a54fd64fa40c6a6b65a2b, reversing
changes made to dd4c079a27deb815572188b37ad5bac4ef4bfc12.
Revert "Revert "Merge pull request #14 from vtsyms/Logout""

This reverts commit 5d90e54ff6b0d27f198d150c42f268df818ee6ca.
Added back XmlApiSession constructors that caused the Fitnesse build to fail.  Marked them as deprecated.