multimap 0.8.0

A multimap implementation.
Documentation 
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# Multimap implementation for Rust

This is a multimap implementation for Rust. Implemented as a thin wrapper around
std::collections::HashMap.

## Example

````rust
extern crate multimap;

use multimap::MultiMap;

fn main () {
    let mut map = MultiMap::new();

    map.insert("key1", 42);
    map.insert("key1", 1337);
    map.insert("key2", 2332);

    assert_eq!(map["key1"], 42);
    assert_eq!(map.get("key1"), Some(&42));
    assert_eq!(map.get_vec("key1"), Some(&vec![42, 1337]));
}
````

## Changelog

### 0.7.0

* Added possibility to replace the default hasher for the underlying ```HashMap```.
* Fix build warning by removing an unnecessary ```mut```.

### 0.8.0

* Added MultiMap::insert_many
* Added MultiMap::insert_many_from_slice

## License

Licensed under either of
 * Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
 * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
at your option.

### Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any
additional terms or conditions.