Added
- Getters and Setters for self._results, self._keyword, and self._strict by [rnason](https://github.com/rnason).
- Internal reset instance method to clear previously set values for self._results, self._strict, and self._keyword by [rnason](https://github.com/rnason)
- Unit tests for Getters and Setters by [rnason](https://github.com/rnason).
- Added Replace None, Null, Nil, empty string method by [rnason](https://github.com/rnason).
- Added Method logic to find and replace a key or it's cooresponding value by [rnason](https://github.com/rnason).
- Unit test for find and replace key and value methods by [rnason](https://github.com/rnason).
Changed
- Few internal method names, and access to self internal attributes via Getters and Setters by [rnason](https://github.com/rnason).
- Docstring updates by [rnason](https://github.com/rnason).
Removed
<!-- markdownlint-disable MD024 -->