I acknowledge that:
- [] my code passes all tests by running `cargo test`;
- [] my code is formatted with `cargo fmt`;
- [] my code successfully compiles the documentation without warnings
using `cargo doc`;
- [] I have updated CHANGELOG.md documenting what was changed/added;
- [] I have added unit testing to test my new code (if applicable);
- [] I have signed off on all commits with my name and email;
- [] I have answered all the questions below and given justification
where appropriate; and
- [] I am merging with the `dev` branch.
## What is the current problem, or feature that should be added?
_What aspect of the project needs changing?_
## How does this fix and/or better quantr?
_If it's a feature, please add examples on how you would use it._
## Is this pull request a major or minor change with respect to the `dev` branch?
_Please refer to [semantic versioning for Rust](https://doc.rust-lang.org/cargo/reference/semver.html). If this is a major/breaking change, please add an explanation to why it could not be minor, or equally why it should break the current version._
## What do the unit tests cover?
_Description of the unit tests added (if applicable)._
## Additional comments.
_Any more justifications, examples of output, or even suggestions for improving this pull request template are all welcome!_