mpd-filters

A simple mpd query parser for Rust.
Usage
let mut parser = Parser::new("Album == '10 Summers' && Artist == 'DJ Mustard'");
match parser.parse() {
Ok(expr) => println!("Parsed expression: {:?}\n sql: {}", expr, expr.to_sql()),
Err(e) => panic!("Error parsing: {}", e),
}