* Add sketch
* Cythonize MethodCaller
* Cythonize ItemGetter, AttributeGetter & ProvidedInstance providers
* Add docblock for .provided attribute
* Refactor repr methods
* Add .provided attribute to the Dependency provider
* Add tests for the .provided attribute to the majority of the providers
* Add docblock for the ProvidedInstance provider
* Add docblocks for the rest of the providers
* Add example of the provided instance usage
* Add tests for provided instance* providers
* Add complex provided instance example
* Update example provided_instance.py
* Add docs