Modified the README file to include the basic package information.
Changed the name of the renew method to reinstance.
Fixed the kill method and change some docblocks.
Changed a reference that was wrong.
Removed the default test (because all test classes will inherit from this and that test will repeat itself over and over). Corrected some docblocks.
Modified the docblocks.
Added a SingletonTests file for test on the Singleton class. Added a SingletonConcrete class that extends from Singleton to allow for testing.