n-way collision checks and onBeginContact and onEndContact done and working. Also fixed issue in TweenManager.removeAll.

src/gameobjects/Events.js

@@ -24,6 +24,7 @@
 Phaser.Events = function (sprite) {
     
     this.parent = sprite;
+
     this.onAddedToGroup = new Phaser.Signal();
     this.onRemovedFromGroup = new Phaser.Signal();
     this.onKilled = new Phaser.Signal();
@@ -41,6 +42,9 @@ Phaser.Events = function (sprite) {
     this.onAnimationComplete = null;
     this.onAnimationLoop = null;
 
+    this.onBeginContact = null;
+    this.onEndContact = null;
+
 };
 
 Phaser.Events.prototype = {

src/gameobjects/Sprite.js

@@ -934,6 +934,11 @@ Phaser.Sprite.prototype.destroy = function() {
         this.animations.destroy();
     }
 
+    if (this.body)
+    {
+        this.body.destroy();
+    }
+
     this.alive = false;
     this.exists = false;
     this.visible = false;