p99 0.0.4

Low-cost generation of performance percentiles (p50, p90, p99, etc.)
Documentation
# p99.Rust - TODO <!-- omit in toc -->


## Table of Contents <!-- omit in toc -->

- [Functional improvements]#functional-improvements
- [Performance improvements]#performance-improvements
- [Packaging improvements]#packaging-improvements


## Functional improvements

* [x] ~~~`Debug` form~~~;
* [x] ~~~binary scaling~~~;


## Performance improvements

* [x] ~~~binary scaling~~~;


## Packaging improvements

* \<none>


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