v0.6.3

Finch v0.6.3

Diff since v0.6.2

Merged pull requests:

• Fix bug with indexing in diagonals (#279) (@radha-patel)
• avoid reading undefined variable (#280) (@willow-ahrens)
• Warn by default on non-concordant traversal (#281) (@willow-ahrens)
• Update Project.toml (#282) (@willow-ahrens)

Closed issues:

• Warn on discordant iteration (#215)
• Scalars not working for some reason (#267)
• Loops with diagonals not unfurling (#278)