Initialize isFrozen in constructor of MockClass
Certain mock classes lose the class properties when instantiated.
This can lead to an undefine property error. Initializing the value
in the constructor places the value back in the object and continues
without issue.
Add ext-soap to dev dependencies
One of the tests requires the SOAP extension.  It should have
been added as a dev dependency
Merge pull request #83 from aenglander/master

Fix for Mock objects losing properties