Added class constructors, fixed Stripshader, added relative Tween example and updated Tween source.

src/animation/Animation.js

@@ -328,6 +328,8 @@ Phaser.Animation.prototype = {
 
 };
 
+Phaser.Animation.prototype.constructor = Phaser.Animation;
+
 /**
 * @name Phaser.Animation#paused
 * @property {boolean} paused - Gets and sets the paused state of this Animation.

src/animation/AnimationManager.js

@@ -311,6 +311,8 @@ Phaser.AnimationManager.prototype = {
 
 };
 
+Phaser.AnimationManager.prototype.constructor = Phaser.AnimationManager;
+
 /**
 * @name Phaser.AnimationManager#frameData
 * @property {Phaser.FrameData} frameData - The current animations FrameData.

src/animation/Frame.js

@@ -158,3 +158,5 @@ Phaser.Frame.prototype = {
     }
 
 };
+
+Phaser.Frame.prototype.constructor = Phaser.Frame;

src/animation/FrameData.js

@@ -223,6 +223,8 @@ Phaser.FrameData.prototype = {
 
 };
 
+Phaser.FrameData.prototype.constructor = Phaser.FrameData;
+
 /**
 * @name Phaser.FrameData#total
 * @property {number} total - The total number of frames in this FrameData set.