Rect class

A class to represent the rectangle

The Rect type exposes the following members:

Constructor	Description
`__init__(self, x, y, width, height)`	Constructor of class `Rect`
`__init__(self)`	Constructs a new instance of Rect

Property	Description
width	Gets or sets the width of the size
height	Gets or sets the height of the size
x	Gets or sets the x of the size
y	Gets or sets the y of the size
left	Gets the left of the rectangle
right	Gets the right of the rectangle
top	Gets the top of the rectangle
bottom	Gets the bottom of the rectangle

Method	Description
`contains(self, x, y)`	Return true if the given point is inside the rectangle.