tempor 0.1.0

Tempo related utilities for Rust
Documentation 
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# Tempor - Collection of tempo related utilities for Rust

This crate contains some utilities for dealing with tempo in Rust.
Currently only the tempo tap utility but more to come.

## Tapper

-   Simple utility for tapping tempo. Create a new tapper and call `tap()` which eventually returns `Some(f64)` representing the BPM.

    ```rust
    use std::thread;
    use std::time::Duration;
    use tempor::Tapper;

    fn main() {
        // 4 is number of taps until it averages
        // Duration is the cooldown from where it resets the counter
        let mut tapper = Tapper::new(4, Duration::from_secs(3)).unwrap();

        loop {
            match tapper.tap() {
                Some(v) => {
                    println!("BPM: {}", v);
                }
                None => {}
            };

            //120 BPM!
            thread::sleep(Duration::from_millis(500));
        }
    }
    ```