Introduced shape and let Rectangle extend that
Added shape contract
Added size to scene
Introduced Point
Introduced bounds
Introduced basic transformations
Added transform bounds property
Small change in Transformatio transform bounds
Added concat to transformation
Added Rotate transformation
Added scale transformation
Added Translate transformation and fixed a problem in ++ of
transformation
Introduced Position
Introduced translation
Introduced scaling
Introduced Rotation
Introduced transformations
Fixed a problem with binding to a super type
Started on CalculatedTransformation. Position and Scale are working.