bindet 0.1.4

Fast file type detection
Documentation 
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# bindet (binary file type detection)

Fast file type detection. Read more here: [documentation](https://docs.rs/bindet)

# Supported file types

- Zip
- Rar (Rar 4 and 5)
- Tar
- Png
- others are on the road

# Example:

```rust
use std::fs::{OpenOptions};
use std::io::BufReader;
use std::io::ErrorKind;
use bindet;
use bindet::types::FileType;
use bindet::FileTypeMatch;
use bindet::FileTypeMatches;

fn example() {
    let file = OpenOptions::new().read(true).open("files/test.tar").unwrap();
    let buf = BufReader::new(file);

    let detect = bindet::detect(buf).map_err(|e| e.kind());
    let expected: Result<Option<FileTypeMatches>, ErrorKind> = Ok(Some(FileTypeMatches::new(
        vec![FileType::Tar],
        vec![FileTypeMatch::new(FileType::Tar, true)]
    )));

    assert_eq!(detect, expected);
}
```