Readme changes.
added Container-Interop Exceptions
Added Alias support for Keys.
Added guard against Circular Dependency
Merge pull request #9 from njasm/feature-alias

Added Alias support for Keys and Fix Circular Dependency bug.
Added Alias support for Keys.
Added guard against Circular Dependency
Added validation to DefinitionType enum.
Added Pimple Adapter  to use Pimple as a Sub/nested Container
Merge pull request #11 from njasm/feature-container-adapters

Added Pimple Adapter to use it as a Sub/nested Container
Added Pimple Adapter and README changes
Added PHP-DI Adapter
Merge pull request #12 from njasm/feature-container-adapters

Added PHP-DI Adapter
Added PHP-DI Adapter
Added Aura.DI Adapter
Merge pull request #14 from njasm/feature-container-adapters

Added Aura.DI Adapter
Added Aura.DI Adapter.
Updated READMER
Added Zend2 Di Adapter.
Added Symfony2 Container Adapter.
Added Symfony2 Container Adapter.
Added Symfony2 Container Adapter. 
update README
Fix issue #13
Added more tests to Reflection builder.