Replace abandoned pycrypto with active fork pycryptodome

[goonbag]

Updating to the latest version I had a serious issue, pycrypto would not install due to its setup.py calling distutils which is incompatible with bdist_wheel. Looking for a solution I found that pycrypto seems to have been abandoned for a couple of years now and most people have moved to using the pycryptodome fork. see https://github.com/dlitz/pycrypto/issues/223

Fortunately this is a drop-in replacement so after pip installing it webdl works perfectly with no modification. So I would suggest changing to this fork in your requirements.txt etc.

https://github.com/Legrandin/pycryptodome

[delx]

I've switched to Streamlink from Livestreamer, which depends on pycryptodome automatically. This means I no longer need to specify anything in requirements.txt :)