message: fix typo in parser.rs
  initalize -> initialize
diff: @@ -458,7 +458,7 @@ mod tests {
  use super::*;
  #[test]
  - /// initalize parser, expect a clap::App returned
  + /// initialize parser, expect a clap::App returned
  fn parser_initialize_gives_defaults() {
  let app = initialize();
  assert_eq!(app.get_name(), "feroxbuster");
  