v.5.6.0

Highlights

• Add support for environment variables in header names and values
• Add "Secret" setting to prevent credentials from being displayed by HttpCommand.Show
• Add support for content type multipart/form-data

What's Changed

• Security enhancements by @bpbecker in #47
• #48 multipart/form-data support by @bpbecker in #49
• Fix #50 by @bpbecker in #51
• 50 fix boundary issue in multipartform data by @bpbecker in #52

Full Changelog: v5.4.6...v5.6.0