Mark the module generated by the CMZProtocol macro family as #![allow(non_snake_case)]

We want credentials and Points to be uppercase, and Scalars to be
lowercase.

cmzcred_derive/src/lib.rs

@@ -1186,6 +1186,7 @@ fn protocol_macro(
 
     // Output the generated module for this protocol
     quote! {
+        #[allow(non_snake_case)]
         pub mod #proto_name {
             use super::*;