0.14.0

Enhancements

• Add option to specify that a named argument should accept multiple values (#70)
• The envfile option now also accept lists of files to load. (#a4a21bb9)
• Included config files no-longer have to be under the project directory. This improves support for mono-repos. (#2a2b856b)
• Improve validation of sequence tasks (#e8159be5)

Breaking changes

• Drop support for python 3.6 (#4987b1f2)

Full Changelog: v0.13.1...v0.14.0