Bumped version number, cleaned more warnings

Cargo.toml

@@ -3,7 +3,7 @@
 name    = "sdl2"
 description = "SDL2 bindings for Rust"
 repository = "https://github.com/AngryLawyer/rust-sdl2"
-version = "0.0.22"
+version = "0.0.23"
 license = "MIT"
 authors = [ "Tony Aldridge <tony@angry-lawyer.com>" ]
 keywords = ["SDL", "windowing", "graphics"]
@@ -19,7 +19,7 @@ bitflags = "0.1"
 [dependencies.sdl2-sys]
 
 path = "sdl2-sys"
-version = "0.0.22"
+version = "0.0.23"
 
 [features]
 

README.md

@@ -40,7 +40,7 @@ If you're using [cargo](http://crates.io/) to manage your project, you can downl
 
 ```toml
     [dependencies]
-    sdl2 = "0.0.22"
+    sdl2 = "0.0.23"
 ```
 
 Alternatively, pull it from GitHub

sdl2-sys/Cargo.toml

@@ -3,7 +3,7 @@
 name = "sdl2-sys"
 description = "Raw SDL2 bindings for Rust, used internally rust-sdl2"
 repository = "https://github.com/AngryLawyer/rust-sdl2"
-version = "0.0.22"
+version = "0.0.23"
 authors = ["Tony Aldridge <tony@angry-lawyer.com>"]
 license = "MIT"
 links = "SDL2"

src/sdl2/audio.rs

@@ -1,8 +1,7 @@
 //! Audio Functions
-use std::borrow::ToOwned;
 use std::ffi::{c_str_to_bytes, CString};
 use std::num::FromPrimitive;
-use libc::{self, c_int, c_void, size_t, uint8_t};
+use libc::{c_int, c_void, uint8_t};
 use std::ops::{Deref, DerefMut};
 
 use get_error;

src/sdl2/event.rs

@@ -20,7 +20,6 @@ use keycode::KeyCode;
 use mouse;
 use mouse::{Mouse, MouseState};
 use scancode::ScanCode;
-use video;
 use get_error;
 use SdlResult;
 

src/sdl2/joystick.rs

@@ -6,7 +6,6 @@ use clear_error;
 use sys::event::{SDL_QUERY, SDL_ENABLE};
 use std::ffi::{CString, c_str_to_bytes};
 use std::fmt::{Display, Formatter, Error};
-use libc::c_int;
 use libc::c_char;
 
 /// Retreive the total number of attached joysticks *and* controllers
@@ -318,7 +317,7 @@ impl Display for Guid {
 /// combinations make sense: 5 for instance would mean up and down at
 /// the same time... To simplify things I turn it into an enum which
 /// is how the SDL2 docs present it anyway (using macros).
-#[derive(Copy, Show)]
+#[derive(Copy, Debug)]
 pub enum HatState {
     Centered  = 0,
     Up        = 0x01,