NoTask - updated logout to no longer null all instance variables, new destroy method to set all instance variables to null and updated travis.yml
NoTask - removed 2.1.1 from allow_failures in travis.yml as issue now fixed on travis
Merge pull request #110 from jonathanchrisp/logout-update

NoTask - updated logout request, added destroy method and updated travis.yml
NoTask - removed rubygem deploy on staging
NoTask - updated version to 8.0.0 and date in gemspec
Merge pull request #111 from jonathanchrisp/staging

Version 8.0.0