Adding more code examples

Adding more code examples,

1. decoding input.jpg to BGR array with fast upsample and fast DCT. (i.e. fastest speed but lower accuracy)
2. using PyTurboJPEG with ExifRead to transpose an image if the image has an EXIF Orientation tag

Add capability to decompress jpeg to yuv image.

Add capability to decompress jpeg to yuv image. #35

New flag for limiting progressive jpeg scans

Using libjpeg-turbo 2.1.0 or later is required to make TJFLAG_LIMITSCANS work.
https://github.com/libjpeg-turbo/libjpeg-turbo/releases/tag/2.1.0

PyTurboJPEG 1.4.2

getting possible scaling factors for direct rescaling from jpeg.scaling_factors

PyTurboJPEG 1.4.1

First release on the GitHub.