0.2.5

Added

• New operation in command-line called encryptusm which encrypts an existing USM file.
• Support for new USM Chunk @ALP which is used for alpha transparency videos. Currently, supports probe and extraction operations only. Thank you to EmirioBomb for bringing this to my attention and providing sample files.

Changed

• Renamed Usm constructor parameters.

Removed

• Check for chunk header in chunk_size_and_padding function