This PR adds the vrf parameter needed for 9anime requests, rewrites URL decryption using the RC4 cipher from pycryptodome and b64decode instead of reimplementing them, and updates Vidstream extraction
Currently Vidstream uses almost the same code as the vrf param, but with a different key and slightly different order
Fixes issues #238, #166
This PR adds the vrf parameter needed for 9anime requests, rewrites URL decryption using the RC4 cipher from pycryptodome and b64decode instead of reimplementing them, and updates Vidstream extraction
Currently Vidstream uses almost the same code as the vrf param, but with a different key and slightly different order