v1.20.0

✨ New Features

• aad75eb - api: support content negociation (commit by @ncarlier)
• 321ad7e - add blocking request with response code (PR #99 by @ncarlier)

🐛 Bug Fixes

• 361770b - multipart/form-data support (commit by @ncarlier)
• 8f8e69f - bufio.Scanner: token too long (commit by @ncarlier)

🔧 Chores

• 8e6cf46 - fix GIT version extracting (commit by @ncarlier)
• 0c41f76 - set version when built outside makefile (commit by @ncarlier)