BBc-1 Core version 1.0.1 is released

Thanks to all contributions, BBc-1 Core version 1.0.1 has been released.
GitHub : https://github.com/beyond-blockchain/bbc1

This fixes an installation problem with version mismatch of cryptography Python module.

We still have an installation problem that may occur when using pipenv, which is under investigation. For the time being, we recommend using virtualenv and ‘pip install’ instead of pipenv.