envoption 0.2.0

Functions for parsing environment variables with support for required, optional, and default values
Documentation 
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# EnvOption

[![crates.io](https://img.shields.io/crates/v/envoption.svg)](https://crates.io/crates/envoption)

Two simple functions for parsing environment variables when reading config.

[Documentation](https://docs.rs/envoption/)

## License

Licensed under either of

 * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
 * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)

at your option.

### Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any
additional terms or conditions.