v1.6.0b1

What's Changed

• Generate proto files by @popenta in #236
• Multisig transactions factory by @popenta in #231
• Fix Cookbook examples by @popenta in #239
• Fix duplication of user agent by @popenta in #241
• Generate proto files by @popenta in #242
• Multisig transactions controller by @popenta in #232
• Governance transactions factory by @popenta in #240
• Rename parameter to match other parameters by @popenta in #249
• Governance controller by @popenta in #246

Full Changelog: v1.5.3...v1.6.0b1