Merge pull request #4 from MarcelloDuarte/master

Update expect to work with Wrapper
Merge pull request #5 from MarcelloDuarte/master

Fix passing wrapper instead of expect subject subclass
Updated the expect helper to the latest changes in phpspec.
Merge pull request #8 from jakzal/phpspec-subject-caller-refactoring

Updated the expect helper to the latest changes in phpspec
Provided a custom implementation of Wrapper to make sure it wraps in a custom Subject.
Merge pull request #10 from jakzal/wrapper-fix

Provided a custom implementation of Wrapper