* Refactor unnecessary `else` / `elif` when `if` block has a `return` statement
* Remove unused imports
* Use literal syntax to create data structure
* revert "remove unused import"
* 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