Merge pull request #75 from Temeez/master

`Object` had no accessible width and height fields

src/lib.rs

@@ -824,6 +824,8 @@ pub struct Object {
     pub gid: u32,
     pub name: String,
     pub obj_type: String,
+    pub width: f32,
+    pub height: f32,
     pub x: f32,
     pub y: f32,
     pub rotation: f32,
@@ -898,6 +900,8 @@ impl Object {
             gid: gid,
             name: n.clone(),
             obj_type: t.clone(),
+            width: w,
+            height: h,
             x: x,
             y: y,
             rotation: r,