mxml 0.0.2

Mixin Markup Language
Documentation
# mxml
like regular expressions, but for XML

```rust
mixin!(Tooltip(message),
  <? +"data-toggle"="tooltip" +"data-placement"="top" +title={{message}}/>
);

fn main() {
   println!("{}", Tooltip("hey!").mixin(
      r#"<button type="button" class="btn btn-secondary">tooltip will be mixed in</button>"#
   ));
}
```

# Contributions
Unless you explicitly state otherwise, any contribution intentionally submitted 
for inclusion in mxml by you, shall be dual licensed under the MIT and Apache 2.0
license without any additional terms or conditions.