v0.7.3

Changelog

• Support interpolated seed in the config file (as a reminder, the seed is treated specifically by confit to initialize random generators before any object is resolved)
• Support if/else expressions in interpolation, and only resolve the relevant branch

Pull Requests

• Better interpolation by @percevalw in #25
• Bump version to 0.7.3 by @percevalw in #27

Full Changelog: v0.7.2...v0.7.3