SigmaProtocol/cmz: A crate to automatically create protocols that use CMZ14 or µCMZ credentials, by specifying an extremely compact description of the protocol. @ artifact

Ian Goldberg d83aa46ab0 Add rate limiting test		4 mesiacov pred
..
basic.rs	2cc1771ea8 prepare() and handle() now take a session id as an additional argument	11 mesiacov pred
rate_limiting.rs	d83aa46ab0 Add rate limiting test	4 mesiacov pred
submodule.rs	2cc1771ea8 prepare() and handle() now take a session id as an additional argument	11 mesiacov pred
wallet.rs	a90bde0b2c cargo fmt	11 mesiacov pred