Invertransforms

FIX:
- Rotation angles were inversed

New Feature:
- Automatic tracking of transformations

More detailed documentations

Bug fix:
- PyPi description is now automatically the README.md

Initial release of the library, it includes the following transformations:
- Affine
- CenterCrop
- ColorJitter
- Compose
- Crop
- FiveCrop
- Grayscale
- Identity
- Lambda
- LinearTransformation
- Normalize
- Pad
- Perspective
- RandomAffine
- RandomApply
- RandomChoice
- RandomCrop
- RandomErasing
- RandomGrayscale
- RandomHorizontalFlip
- RandomOrder
- RandomPerspective
- RandomResizedCrop
- RandomRotation
- RandomSizedCrop
- RandomVerticalFlip
- Resize
- Rotation
- Scale
- TenCrop
- ToPILImage
- ToTensor
- TransformIf