sylvia-derive-v1.0.2

Other

• Update cw_multi_test
• Split big chunks of code in sylvia_derive::multitest
• Provide to_case functionality to syn::Ident
• Remove stripped_return_type from MsgVariant
• Remove duplicated querier related code from MsgVariant
• Move Multitest related MsgVariant logic to trait in multitest module
• Unify MT proxy methods emit