Tweaking doc
Fixed Collection::count() always returning 0

Wrong member variable
Merge pull request #158 from rewandy/working

Fixed Collection::count() always returning 0
Merge pull request #159 from jamiehannaford/working

New features - passed all unit, smoke tests
Issue #160 - Add ImageSchedule backup support
Correct typo and spacing in Server::ImageSchedule() docblock
Merge pull request #161 from JCotton1123/working

Issue #160 - Add image schedule backup support
Merge branch 'working' of github.com:rackspace/php-opencloud into working
Minor fix for formatting