dedent 1.0.2

Remove any common leading whitespace from every line in text.

[1.0.2] - June 26th 2022.

• Refactored code - followed lints static analysis code suggestions. Changed license to MIT.

[1.0.1] - June 25th 2022.

• Refactored Null Safety support using the useful Dart principle of “After null checks, nullable variables are promoted to be non-nullable”.

[1.0.0] - June 25th 2022.

• Null Safety support.

[0.0.2] - July 17th 2020.

• Updated README and documentation.

[0.0.1] - July 16th 2020

• Initial Release, tests ported from Python all pass.