pconvert-rust 0.5.1

Rust version of P(NG)Convert, a simple PNG conversion tool.
Documentation
# Modules overview

## Source files

* [`main.rs`]./main.rs
  * exposes the simple CLI

* [`cli.rs`]./cli.rs
  * CLI functions to allow testing pconvert binary

* [`lib.rs`]./lib.rs
  * exports blending functions to be used by other Rust crates
  * conditionally imports submodules depending on target environment (e.g. WASM does not make use of the submodule `pymodule`)

* [`benchmark.rs`]./benchmark.rs
  * benchmark struct and associated functions

* [`errors.rs`]./errors.rs
  * pconvert errors definition
  * some external errors to pconvert errors conversion

* [`parallelism.rs`]./parallelism.rs
  * thread pool definition
  * worker threads definition
  * thread pool status definition

* [`utils.rs`]./utils.rs
  * decode/encode PNG functions
  * read/write from file system PNG functions
  * external crate type conversions
  * other utility functions

## Submodules

* [`blending`]./blending/
  * blending algorithms

* [`pymodule`]./pymodule/
  * exposure of pconvert's API as a python module

* [`wasm`]./wasm/
  * exposure of pconvert's API as a Web Assembly (WASM) module