deb 0.5.0

Utilities for working with files and formats commonly found when working with Debian's project tooling, or infrastructure.
Documentation
# Contributing

 - [ ] Check `cargo clippy` is clean
 - [ ] Check `cargo fmt` doesn't have edits for you
 - [ ] Ensure that `cargo test` passes
 - [ ] If working in a part of the code that deals with parsing data, give the related fuzzer(s) a run for a while.

## DCO

Ensure all code is code you've written yourself, and attest that you're legally
allowed to commit to this repo, and commit the code under the project's license
-- MIT/Expat. This is not a CLA, but it is an attestation that the source code
written is not copied from another source.

```
Developer's Certificate of Origin 1.1

By making a contribution to this project, I certify that:

(a) The contribution was created in whole or in part by me and I
    have the right to submit it under the open source license
    indicated in the file; or

(b) The contribution is based upon previous work that, to the best
    of my knowledge, is covered under an appropriate open source
    license and I have the right under that license to submit that
    work with modifications, whether created in whole or in part
    by me, under the same open source license (unless I am
    permitted to submit under a different license), as indicated
    in the file; or

(c) The contribution was provided directly to me by some other
    person who certified (a), (b) or (c) and I have not modified
    it.

(d) I understand and agree that this project and the contribution
    are public and that a record of the contribution (including all
    personal information I submit with it, including my sign-off) is
    maintained indefinitely and may be redistributed consistent with
    this project or the open source license(s) involved.
```