v0.12.0

Changelog

• 4362471 Added Option to configure a rate limiter for the Client (#50)
• b3f21ea Bump github.com/ethereum/go-ethereum from 1.11.6 to 1.12.0 (#52)
• 8395c9b Deprecated Keccak(...)
• fee24f8 improved CallErrors.Error output
• b6afb26 w3types: Added Message.Set

Bug Fixes

• 9e908da fixed output of CallErrors.Error

Full Changelog: v0.11.2…v0.12.0