Animation Class was extended its now possible to Animate specific fields in Objects. Now it is possible to, assign a channel to a that is inherited in an object.

Added new functionality in Animation Class. It's now possible to chose one of two animation modes loop and ping pong.

Extended 3 Classes of Xirkit:
- Xirkit/Circuit.cs
- Xirkit/Node.cs
- Xirkit/PinFactory.cs

Signed-off-by: xMotUx <WaldemarRose@gmx.de>