Added the new Button game object and various other input and tilemap fixes.

Phaser/loader/AnimationLoader.ts

@@ -44,6 +44,7 @@ module Phaser {
             //  Zero or smaller than frame sizes?
             if (width == 0 || height == 0 || width < frameWidth || height < frameHeight || total === 0)
             {
+                throw new Error("AnimationLoader.parseSpriteSheet: width/height zero or width/height < given frameWidth/frameHeight");
                 return null;
             }
 

Phaser/loader/Cache.ts

@@ -312,6 +312,22 @@ module Phaser {
 
         }
 
+        public removeCanvas(key: string) {
+            delete this._canvases[key];
+        }
+
+        public removeImage(key: string) {
+            delete this._images[key];
+        }
+
+        public removeSound(key: string) {
+            delete this._sounds[key];
+        }
+
+        public removeText(key: string) {
+            delete this._text[key];
+        }
+
         /**
          * Clean up cache memory.
          */

Phaser/loader/Loader.ts

@@ -71,7 +71,7 @@ module Phaser {
         public hasLoaded: bool;
 
         /**
-         * Loading progress (from 0 to 1)
+         * Loading progress (from 0 to 100)
          * @type {number}
          */
         public progress: number;
@@ -97,9 +97,7 @@ module Phaser {
         }
 
         public get queueSize(): number {
-
             return this._queueSize;
-
         }
 
         /**
@@ -107,9 +105,9 @@ module Phaser {
          * @param key {string} Unique asset key of this image file.
          * @param url {string} URL of image file.
          */
-        public image(key: string, url: string) {
+        public image(key: string, url: string, overwrite: bool = false) {
 
-            if (this.checkKeyExists(key) === false)
+            if (overwrite == true || this.checkKeyExists(key) == false)
             {
                 this._queueSize++;
                 this._fileList[key] = { type: 'image', key: key, url: url, data: null, error: false, loaded: false };
@@ -294,7 +292,7 @@ module Phaser {
             }
             else
             {
-                this.progress = 1;
+                this.progress = 100;
                 this.hasLoaded = true;
                 this._gameCreateComplete.call(this._game);