Version History
---------------
2.1.0
* Container: `getChildByProp` and friends now accepts a RegExp for value matching
* Font : updated me.Font to work with me.Color (xorinzor)

2.0.2
* Audio : automatically cleanup `onend` callbacks in `me.audio.play`
* Audio : `me.audio.play` now applies the `loop`, `onend`, and `volume` properties only to the expected sound instance ID
* Audio : fix `me.audio.unmute()`
* Audio : updated to the latest Howler 2.0 build (various fixes and improvements)
* Audio : added `instance_id` parameter to `mute` and `unmute` methods
* Audio : updated documentation
* CanvasRenderer : fixed an issue/regression with the `globalAlpha` functions
* Core : fixed collision detection between `me.Ellipse` (circle) and `me.Line` shapes
* Core : fixed renderable positioning with nested me.Container objects
* TMX : fixed an uncauht exception when loading a map with an empty object layer

2.0.1
* Core : fixed loading under CocoonJS when using Canvas+
* Shapes : replaced the isometric magic numbers used for scaling, by proper and more accurate math constants (ldd)
* Audio : fixed sound looping
* Audio : fixed onend callback not being repeatedly fired when looping a sound
* Audio : cleaned the onend callback when stopping a sound
* Audio : added a me.audio.fade() function

2.0.0
* Core : implemented a new shape based collision system for the collision layer
* Core : added user agent detection for Kindle devices
* Core : fixed the collision response for circles (me.Ellipse with a uniform radius)
* Shapes : renamed me.PolyShape to me.Polygon and simplified the constructor (no longer needs a fourth param)
* Shapes : added a new shape: me.Line
* Shapes : added multi shapes support for body
* Shapes : added rotation and scaling support for `me.Polygon`/`me.Line` shapes.
* Audio : the Howler library has been updated to the last 2.0 beta
* Audio : removed the cocoonJS hack, as the pause/resume function have been fixed through Howler 2.0
* Entity : added automatic collision response handling (not fully done yet actually)
* Container : fixed an issue where "non-floating" containers always passed the in-viewport test
* CanvasRenderer : All fill & stroke methods have removed the color & line width parameters. Use the new setColor and setLineWidth methods.
* CanvasRenderer : Removed strokeLine, was duplicate with drawLine
* WebGLRenderer : New WebGLRenderer has reached "alpha", and can be enabled by passing the `me.video.WEBGL` flag to `me.video.init()`
* Particles : fixed randomness in the emitter for scaling and rotation of particles
* Particles : fixed widget drawing in Particle Editor
* TMX : added rotation support for Polygon/PolyLine objects (Tiled 0.10+)
* TMX : added support for tileset animations (Tiled 0.10+)
* TMX : fixed isometric projection for Polygon/PolyLine objects
* TMX : fixed TSX external tileset loading

1.1.0
* Core : reorganised source code for all basic object definition/augmentation
* Core : new CI and unit testing frameworks
* Core : new object inheritance mechanism: http://github.com/parasyte/jay-inheritance
* Core : added array random and weightedRandom functions (aaschmitz)
* Core : added a Base64 Encode function (aaschmitz)
* Core : new `me.Error` class to help better track down exceptions' origin
* Core : brand new "Separate Axis Theorem " based collision algorithm (support polygon/ellipse, and provides more accurate collision response)
* Core : added collision filtering support
* Core : added a spatial partitioning algorithm (QuadTree) for super fast collision detection
* Container : `addChild` and `addChildAt` now return the added child
* Video : refactored canvas drawing out to me.CanvasRenderer. Video is now agnostic of rendering target. Use me.video.renderer to call things like getWidth, getHeight, getCanvas, getContext, etc.
* Video : constructor parameters changed. 2nd parameter now expects renderer type. For now, just supports me.video.CANVAS
* CanvasRenderer : object is passed to the draw calls of each object in the world Container. Implemented various draw apis fillRect, and fillArc for example. me.Font still requires an instance of Context2d.
* Renderable : renamed `me.SpriteObject` to `me.Sprite` and `me.ObjectContainer` to `me.Container`, for a cleaner API
* Renderable : constructors refactored to accept x & y numeric values, over a single vector object. Effects: me.Container, me.Rect, me.PolyShape, me.Ellipse, me.Renderable
* Shapes : setShape updated to accept x & y numeric values over a vector object for: me.Rect, me.PolyShape, me.Ellipse
* Camera : fixed viewport bounds setting when using isometric map (Juhana Paavola)
* Entity : entity object redesign with a full polygon shape based physic body implementation
* Entity : `me.ObjectEntity` has been renamed to `me.Entity` to avoid confusion between the old and new entity component.
* Audio : fixed some audio load issues and error callbacks
* Audio : sync'ed with last Howler 1.1.25 version (fixes numerous issues, see official changelog for more details)
* TMX : fixed the background color drawing when the level is smaller than the display canvas
* TMX : fixed the getTile function returning wrong tiles when using isometric maps
* TMX : fixed collision layer rendering issue with isometric map
* TMX : fixed world container size not being updated after a new level is loaded

1.0.2
* Core : improved general compatibility with IE9/IE10 (Desktop/Mobile/Tablets)
* Geometry : added basic type check for the `me.Vector2d` constructor
* Input : fixed event detection on Chrome 35+

1.0.1
* Core : removed unused `Object.mixin` method, (caused compatibility issues with socket.io and other libs)
* Entity : disable falling flag when gravity is disabled
* Entity : fix an exception in ObjectEntity.checkCollision()
* Entity : fixed a regression on breakable tiles
* Entity : use width and height by default if spritewidth and spriteheight are not defined
* Entity : throw an exception if mandatory fields width and height are not defined
* Entity : fixed an exception in ObjectEntity.flipX/Y()
* Loader : fixed asset loading when named as a number
* ObjectContainer : use cyclic zIndex by default instead of Infinity
* Audio : sync'ed with last Howler version (as now officially and properly support CocoonJS)
* Audio : melonJS now throws an exception when attempting to load audio assets before audio is initialized
* TMX : fixed a potential issue with ImageLayer when ratio is set to 0 in Tiled
* Font : fixed opacity property usage for me.BitmapFont object.
* Renderable : added a tap and hold feature to the me.GUI_Object object (juhanapaavola)
* Particles : fixed the particle emitter bounds (aaschmitz)
* Input : added several keyboard keys for input mapping (aaschmitz)

1.0.0
* Core : now pass the elapsed time as a parameter when calling any object update function
* Core : cleaned-up/renamed conflicting set function in shape and font objects
* Core : added new shapes objects (Ellipse, Polygon) on top of the existing Rectangle one
* Core : added a mixing property to object (insidiator)
* Core : deprecated object manipulation (add, remove) have been removed from me.game
* Core : renamed the `me.entityPool` API to `me.pool` and related functions (see documentation & upgrade guide)
* Entity : deprecated helper function (doJump, doWalk) have been removed
* ObjectContainer : renamed getEntityByProp to getChildByProp
* ObjectContainer : getChildByProp now returns all matching object type and not only "entities"
* Camera : camera bounds are now defined as a rectangle and not only in width and height
* Loader : added resource information to loader progress event (warpten)
* Loader : added loading of TMX data from javascript (json) objects (paulmedwal)
* Color : melonJS now defines a new me.Color class for advanced color manipulation
* Particles : added basic Particle System, with emitters and particles (aaschmitz/insidiator)
* Particles : added a particle emitter editor, see the example folder (insidiator)
* Device : added full cross-browser support for the Fullscreen API (see me.device)
* Device : added support for the vibration API (me.device.vibrate)
* Device : renamed the me.save.delete function to me.save.removed (delete is a reserved keyword)
* Device : added support for the visibilitychange API (pause/stop state on window show/hidden status)
* Audio : modernised (and also mobile compatible) web audio API based on the awesome Howler library
* Input : added the possibility to disable globally or per key the default browser action
* Input : automatically enable keyboard even on desktop type devices
* Input : the registerPointerEvent function now only accepts the standardized Pointer Event names.
* TMX : added proper support for all shape type (collision is still however resolved using AABB detection)
* TMX : XML TMX map are now converted to a JXON object on-the-fly, allowing to remove duplicated parsing code
* TMX : added the Tiled "type" property to TMXObject
* TMX : melonJS will now respect the object size as defined in Tiled when parsing/creating related object in the game world
* Timer : added a setTimeout and setIntveral function obeying the engine pause state
* Tween : fixed tweens to properly maintain time state when paused
* Renderable : `collisionBox` has been replaced by a more cleaner implementation (see `getShape`/`addShape`/`getBounds`)
* Renderable : the flicker function now takes the global flickering duration in ms (as opposed in frame count)
* Renderable : removed the visible property

0.9.11
* Documentation : numerous fixes and improvements
* General : fix initial loading for me.save, and update documentation
* General : fix detection of localStorage on some phones (agmcleod)
* General : fix uncaught exception when objects without a position vector are added to a container
* Input : fully support event-driven key input with me.event.KEYDOWN and me.event.KEYUP
* Input : multiple keys bound to the same action will no longer cancel each other
* Input : fixed pointerEvent support on IE11
* ObjectContainer : fixed rendering of nested containers (again) - Thanks to Peter Hull
* ObjectContainer : fixed getEntityByProp with nested containers
* Animation : (quick) fixed hWidth and hHeight not being updated when the frame size is different
* Core : better support object reset through a onResetEvent function when using object pooling
* Tween : updated the me.Tween object to be usable with the object pooling mechanism
* Font : added a trimRight polyfill to the String class to help fixing multi-line ASCII rendering
* Font : added a drawStroke function
* Font : fixed a bug that broke some CSS font-family names, like `monospace` and `"Trebuchet MS"`

0.9.10
* Core : fixed object `visible` flag not being set based on their parent group visible status
* Core : fixed both `pauseOnBlur` and `StopOnBlur` being enabled by default
* TMX : fixed the imageLayer reset bug (when unsubscribing the viewport change event)
* TMX : fixed an undefined tileset issue when adding a new Tile through the `setTile` function
* Documentation : fixed the parameter value of the hasChild function
* Renderable : moved the opacity related getter/setter function into the Renderable class
* Renderable : fixed group opacity setting fully overwriting renderable opacity settings
* ScreenObject : fixed cases where ScreenObjects may not be considered in the viewport
* ObjectContainer : fixed rendering of nested containers

0.9.9
* General : added proper support for a jslint task and cleaned source code accordingly (nvlbg)
* General : added a renderable container object (me.ObjectContainer) and reorganize `me.game` accordingly
* General : added `me.game.world` as a reference to the game world root object container.
* General : added a new me.save class to manage localStorage, and moved (deprecated) the old me.stat to the plugin repository
* Core : improved game pause management (by swmuron)
* Core : added a `me.device` object containing device specific capabilities and events (agmcleod)
* Core : moved all device read-only flags to the new me.device object
* Core : fixed Opera Mobile detection when sniffing user agent
* Core : improved orientation change detection, added me.device.orientation and a specific minpubsub channel
* Core : moved debug flags to the debugPanel plugin
* Input : fixed accelerometer event registration when supported
* Input : added support for windows 8 accelerometer (Halfman)
* Input : improved mouse wheel event support to be compatible with all recent browsers
* Input : added support for the touchCancel and mousecancel events
* Input : added TAB key definition to key bindings (agmcleod)
* Loader : refreshed the loader a bit, and added the new logo
* Loader : fixed binary loader (agmcleod)
* Video : added support for CocoonJS 1.4 ('antialias' parameter and the new `dispose` function)
* Video : added proper support for video scaling on High-DPI devices (no longer requires the JS hack in the index HTML file)
* Video : fix `me.sys.scalingInterpolation` when display is resized.
* TMX : fixed default group opacity value not being applied to child objects.
* TMX : optimized tile rendering, by using a tileset reference in Tile object
* TMX : added preliminary support for non rectangular shapes in Tiled (although currently converted to me.Rect)
* TMX : fixed multiple image backgrounds with `ratio` properties that are different values
* TMX : fixed me.ImageLayer drawing being delayed by one frame
* Font : Font objects now properly extend me.Renderable
* GUI : `HUD` objects have been completely replaced by me.ObjectContainer; See Platformer example for new HUD implementation pattern.
* Animation : the `animationspeed` property, now defines the delay between frames in terms of milliseconds (as opposed to framecount)
* Animation : allow animation callback to prevent resetting to first frame by returning `false` *really fixed this time*
* Shapes : new shapes added for future expansion: me.Ellipse, me.PolyShape
* Shapes : `me.Rect.getRect()` renamed `getBounds()`
* Tween : the tween implementation has been updated to the last official r11 version.
* Camera : renamed the mislabeled worldToScreen and ScreenToWorld, and fixed a bug in one of the function.

0.9.8
* Renderable : added ShoeBox Packed Texture Support (see `me.TextureAtlas`)
* Loader : the `tps` data type has been changed to a more generic `json` data type (agmcleaod)
* Input : added MSPointer support (Halfman)
* Input : normalized API and management of input event and enabled multi-touch for PointerEvent
* Input : added throttling support for `****move` events
* Core : main loop now uses requestAnimationFrame by default with a fallback to setTimeout
* Video : added the possibility to specify a maximum size when enabling video scaling
* Video : automatically limit the maximum size if the corresponding CSS properties are set
* TMX : added the possibility to specify different axis value for the scrolling ratio
* Font : fixed drawing characters with charCode smaller than the firstChar value.
* Renderable : allow animation callback to prevent resetting to first frame by returning `false
* Core : added "Mobile" to `me.sys.isMobile` UA sniffer (fix Firefox OS detection)

0.9.7
* General : melonJS now uses Grunt, the task manager, for the build system
* General : game objects will not update unless inside the viewport or `obj.alwaysUpdate` flag is enabled
* Audio : preliminary audio support for mobile devices (iOS6 for now)
* Core : added a `me.sys.isMobile` flag to detect running on a mobile device
* Core : now using `screencanvas` extension for CocoonJS
* Core : fixed `me.game.remove()` destroying the object too early
* Entity : ObjectEntity is now composed with a `renderable` component (does not anymore inherit from AnimationSheet)
* Entity : renderable default position is now set based on the me.ObjectEntity default anchor point.
* Entity : fixed ladder collision detection/management
* Examples : new collision_test example (see ticket #103)
* Examples : new font_test example
* Font : changed default alignement to `left`/`top`
* Font : added multiline support for `me.Font` and `me.BitmapFont`
* Geometry : most `me.Vector2d` methods return a reference to `this`, to allow method chaining
* Input : added a `me.input.unlockKey()` function that allows to manually unlock key (DblK)
* Loader : fixed loader when repeatedly calling the preloader
* Renderable : new base class for any objects that needs to draw (Sprite, ImageLayer, GUI, etc...)
* Renderable : added TexturePacker Support (see `me.TextureAtlas`)
* TMX : fixed `me.ImageLayer.ratio` on Firefox & Opera
* TMX : allows changing the imageLayer default origin using the imageLayer anchorPoint
* TMX : added a new `me.game.getEntityByProp()` function (DblK)
* TMX : added JSON map parsing support
* TMX : small optimization for isometric rendering (`pixelToTileCoords()` function)
* TMX : fixed access to inherited properties
* TMX : added an entry point for a potential gzip/zlib TMX decompression plugin
* TMX : fixed object positioning on isometric maps (andyveliz)
* TMX : property value convention for automatically JSON-decoding; prefix with `json:`
* Video : fixed `viewport.shake()`
* Video : optimized framerate on cocoonJS platforms by using the 'screencanvas' extension
* Video : disable video scaling interpolation by default

0.9.6
* General : fix compatibility issue with previous iOS(5.x) and Android version
* Core : workaround for useNativeFrame when cancelAnimationRequest is not supported
* Audio : added volume and mute control settings
* Audio : added the possibility to stream audio elements
* TMX : code optimization to lower memory usage
* TMX : fixed layer scrolling when using pre-rendering
* Loader : fixed `me.loader.load` not adding TMX into the `me.levelDirector`

0.9.5
* Audio : added mp4/aac pre-loading support
* Audio : added codec selection based on audio support level
* Core : fixed requestAnimationFrame
* Core : added an official plugin API
* Core : fixed a object removing and sorting lock issue
* Core : added a 'floating' property for renderables
* Core : added Object Pooling support
* Core : fixed the `me.game.getEntityByName` function when using camelcase names
* Debug : added a simple debug panel plugin
* Font : fixed font name starting with a decimal value
* Font : added changes to allow specifying a flat number of px,em, etc for font sizes.
* Font : added support for comma separated font names like in CSS
* Event : added Daniel Lamb minPubSub library for event publishing
* Event : fixed touch event support detection on cocoonJS
* Event : added `click`, `dblclick`, `tap` events
* Event : fixed mouse event conflict and mousewheel event
* Geometry : added a function to return the angle between two vectors
* Input : me.GUI_Object's onClicked() function has been renamed to onClick()
* Loader : use asynchronous mode when loading XML files
* Entity : added spacing and margin capacities for sprite (same as Tile Map Sprite)
* Entity : fixed flickering when using requestAnimationFrame
* Entity : added opacity setting
* Entity : fixed visible property automatic setting
* Entity : moved collision check outside of the Entity Object
* Entity : cleaned and renamed the collision utility function
* Entity : added the possibility to check for multiple collision
* Entity : added a `collideType` function to check for collision with a specific type
* Entity : moved collisionBox from SpriteObject to Entity Object
* Entity : added a distanceToPoint, angleTo and angleToPoint function
* Tween : fixed tween when pausing game
* Tween : various fixes and optimization from the official repository
* TMX : fixed a bug that was preventing a non visible layer to be set visible later
* TMX : fixed the clearTile function on non visible layers (e.g. collision map)
* TMX : added official support for Opacity in TiledLayer, TMXLayer, colorLayer and ImageLayer
* TMX : added support for TSX files
* TMX : added a `repeat` property to Image Layer instances, similar to CSS background-position
* TMX : parallax layer is now based on the new "official" Image Layer support (from Tiled 0.9.0)
* TMX : fixed the `getObjectGroupByName()` function
* TMX : added support for custom tile type
* Tutorial : fixed camel case issue in resource names
* Tutorial : update the parallax part to reflect last changes in melonJS (Image Layer)
* Video : added support for display scaling
* Video : added a setImageSmoothing function
* Example : added "whack-a-mole" as an official example
* Example : added a new "platfomer" example (using legal assets) and removed alex kidd based examples

0.9.4
* General : melonJS is now only using Google Closure (removed YUI compressor)
* General : melonJS is now ES5 strict mode compliant
* General : added a .editorconfig file to provide basic rules to editors
* Core : added a flag to enable/disable automatic pause on loosing/gaining focus
* Core : fixed rendering loop when using requestAnimationFrame (parasyte)
* Core : added a renderCollisionMap debug setting (parasyte)
* Core : use console.error instead of window.alert
* Core : added the possibility to specify a user-defined sort function
* Core : fixed mixing screenObject added as object, and TMX level loading
* Core : fixed screenObject when extending update & draw function
* Entity : added an anchor point for renderables (through SpriteObject)
* Entity : added rotation support (through SpriteObject)
* Entity : added the possibility to pause an animation (parasyte)
* Entity : fixed default position by using top-left coordinates as in Tiled
* Entity : fixed invisible entities being removed when colliding
* Font : fixed me.Font horizontal alignement
* General : fixed & enhanced object/memory deallocation when switching levels
* General : rewrote the parallax code using the new Generic Image Layer Object
* General : added support for vertical parallax layer
* Geometry : added a function to test for vector "equality"
* Geometry : added a couple of Self function (to help avoid object creation)
* Loader : fixed a case issue between filename and asset name
* Input : added the possibility to check for mouse event based on world or screen coordinates
* Input : fixed a false-positive issue at initialization, and usage of special keys (parasyte)
* TMX : added dynamic layer rendering (configurable globally or per layer through Tiled)
* TMX : added Image Layer Support (Tiled daily builds only)
* TMX : added support for the new map background property (Tiled daily builds only)
* TMX : added a Color Layer (used when a background color is defined)
* TMX : another round of clean-up and various bug fixing
* TMX : added support for TMX Object without name (parasyte)
* TMX : added preliminary support for polygon and polyline objects (parasyte)
* TMX : fixed visible flag and user-defined properties not being applied to ObjectGroup
* TMX : fixed rendering issue with transformed tiles (AD, H, V)
* TMX : fixed display of map being smaller than the viewport
* TMX : fixed TMXObject not being declared correctly under the "me" namespace
* Utils : fixed the HexToRGB function and added support for the 3 char format (#hhh)
* Tween : fixed exception in the tween library (parasyte)
* Documentation : corrected and added missing documentation

0.9.3
* General : better error management and reporting
* General : added a dummy console.log for platforms not supporting it
* General : melonJS now uses Google Closure for library minification
* General : added a global gravity setting that will override entities default value if defined
* Core : now properly calls all objects onDestroyEvent function when resetting game
* Core : added the possibility to define a callback when a level is fully loaded
* Core : added a couple of utility functions (degToRad, radToDeg)
* Core : fixed GUID creation when passing a non string parameter
* Core : only check for collision when the projection vector is set
* TMX : global rewrite, code optimization and clean-up
* TMX : added support for isometric map loading and display
* TMX : added support for perspective map loading and display
* TMX : relaxed TMX property case sensitive checks
* TMX : added tile rotation support (Tiled 0.8.0)
* TMX : fixed level name property not being set, and use it when required
* LevelDirector : fixed the nextLevel & previousLevel functions
* Loader : added binary file support
* Loader : added possibility to dynamically load any resources (i.e. during the game)
* AnimationSheet : the entire sprite-sheet is now use to create the default animation
* Entity : fixed CollisionBox not being properly used on y axis when checking for collision
* Entity : fixed CollisionBox issue when dealing with sub-pixel positioning
* Entity : fixed setVelocity not setting y velocity when x velocity is null
* Entity : added missing properties (GUID, name) in InvisibleEntity
* Entity : fixed res.obj not defined in InvisibleEntity
* HUD : added a removeItem function
* GUI  : rewrote the GUI Object accordingly to the new event management
* Geometry : added a containsPoint function
* Geometry : added a floor() and ceil() function to Vector2d
* BitmapFont : fixed BitmapFont ignoring  'center' alignment
* BitmapFont : avoid implicit object conversion when rendering a bitmapFont
* Input : fixed use of numeric keys by using a proper constant value.
* Input : rewrote mouse event management
* Input : added touch event management (with mouse event emulation)
* Input : (beta) multitouch support
* Input : added Accelerometer event management
* Documentation : added a lots of missing documentation on various API
* Documentation : added JS syntax highlighting in the tutorial
* Documentation : don't use onDestroyEvent to manage score in the examples
* Documentation : exposed more TMX objects and APIs

0.9.2
* General : melonJS is now licensed under the terms of the MIT License
* General : added some Cake magic, allowing to use melonJS with CoffeeScript (by scan)
* General : added melonJS UML Class Diagram in the official repository (by Ben2303)
* General : melonJS now properly stays in it's own namespace (me)
* Audio : configurable behavior in case of audio loading error
* Core : fixed a shaking bug when collision box is not aligned with the sprite box
* Core : fixed collision detection bug (object being tested again itself)
* Core : refactored fading function using Tween objects (API CHANGE, see documentation)
* Core : added a helper method to know the sign of an number
* Core : corrected variables definition (global->local)
* Core : added a GUID (Game Unique Identifier) to objects
* Core : getEntityByName now also returns non Entity Object (like layers)
* Core : fixed state change when using custom state values
* Core : me.game.collide now also returns an object reference in the collision vector
* Core : renamed and correctly initialize the localStorage flag capability
* Documentation : various documentation correction and improvements
* Entity : added friction management
* Entity : updateMovement function now returns a collision "vector" (API CHANGE, see documentation)
* Entity : refactored/cleaned-up movement/collision function
* Entity : added support for multiline spritesheet (fixed cell size)
* Entity : added the possibility to define a specific transparent color for spritesheet
* Entity : implemented a resize function, allowing to resize a sprite on the fly
* Entity : optimized/refactored SpriteObject
* Entity : fixed object with 1 single sprite (no animation) not begin updated
* Entity : added the possibility to also specify a callback when an animation is over
* Entity : fixed an initialization issue when using melonJS without a Tilemap
* GUI : corrected me.GUI_Object and added missing documentation
* GUI : marked me.GUI_Object as deprecated, as it will be rewritten in a next release
* Event : also cancel event bubbling
* Font : added support for multiline fontsheet
* HUD : added a setItemValue() function
* HUD : corrected display issue on Opera
* Loader : added possibility to add graphics resources after pre-loading (e.g. ingame)
* TMX : use native Base64 decoding when available
* Viewport : object to follow can either be a Object Entity or a position Vector
* Viewport : fixed default value (if parameter not specified) for Axis to follow on
* Video : cleaned-up the applyRGBFilter function

0.9.1
* Core : "cache image" option (disabled by default) to use canvas instead of directly using Image Object
* Core : add onPause and onResume callback when game is paused/resumed on losing/gaining focus
* Core : added possibility to pass more than 1 extra argument to me.state.change (extra arguments will be passed to the reset function of the target object)
* Core : object can now only be destroyed using me.game.remove(obj), made of ObjectEntity.destroy a private function
* Core : beta dirty Rectangle support (only working for non scrolling level for now)
* Core : experimental webGL wrapper
* Core : added a getEntityByName function
* Core : fixed some kind of "lag" issues when deleting objects
* Core : improved the requestAnimFrame usage, and fallback to setInterval. me.sys.useNativeAnimFrame to enable it (disable by default)
* Core : optimized the way objects are managed in the game loop
* Core : defined (and used) a Object.defineProperty function to replace __defineGetter__ / __defineSetter__ (was not supported on IE9/IE10)
* TMX : implemented Tiled "transparency" property for Tileset, allowing to specify which color should be transparent (note: this slows down level loading)
* TMX : fixed unnecessary canvas creation for the collision layer (should free some memory)
* TMX : cleaned/optimized data loading and fixed an issue on FF with XML parsing of "big" Base64 encoded maps (only first nodeValue was parsed by the engine)
* TMX : added support for CSV data encoding
* TMX : added support for flipped tiles, as supported in Tiled 0.7
* TMX : added multiple tileset support
* TMX : added a "background_image" property. To be set through Tiled, and allowing to specify a fix background.
* Entity : merge AnimatedSpriteObject into SpriteObject. SpriteObject now takes an optional additional argument to create an animated sprite
* Entity : added a distanceTo function
* Viewport : fixed camera refresh when changing "deadzone" values
* Loader : added a "onProgress" callback to get progress notification, removing the need to poll the loader each frame for loading progress
* Loader : fix progress notification when TMX files are loaded into the levelDirector
* Loader : added a retry counter for the audio loading : script will now stop and throw an exception after 3 unsuccessful loading attempts.
* Video : renamed "applyEffect" to "applyRGBFilter", and fixed an issue on Opera
* Audio : fixed compatibility issues with IE9/10
* Geometry : added a merge function to me.Rect

0.9.0
* Documentation : API documentation using jsdoc-toolkit (finally!)
* Geometry : define getter for me.Rect coordinates (simplify code)
* Level : support for fadeOut/fadeIn effect in me.LevelEntity (when changing levels)
* Entity : correctly implemented InvisibleEntity Objects (no longer inherit from ObjectEntity)
* Entity : makes SpriteObjet inherit from me.Rect (make it easier to manage sprite pos and size)
* Loader : cosmetic update of the preloader screen
* Viewport : "rounding" issue fix in the viewportEntity (~~30% less CPU usage on Safari/OSX!)
* TMX : cleaned & refactored tilemap collision detection (still not perfect though)

0.8.0
* TMX : support for "TiledObject" (as supported in Tiled 0.6.2)
* Entity : re-factored constructor call to Object Entities (to use the settings obj produced through Tiled)
* Entity : moved collision function from AnimatedSpriteObject to ObjectEntity

0.7.9
* Viewport : added some effects to the camera object (shaking, fading, ...)
* Viewport : re-factored and fixed the camera/viewport code
* Core : re-factored public objects using John Resig Inheritance mechanism.
* Core : fixed the "bootstrap" (unnecessary double call)
* Entity : re-factored parallax code & corrected a bug that was causing the layers to be drawn 2x times
* Audio : partially fix crash audio in safari when audio is enabled
* Core : fixed gfx glitches (rounding issues)

0.7.6 (May 16, 2011)
first public version with alex4 !
www.melonjs.org is live :)