Update fennel compiler itself.
Update test suite.
Update to latest Fennel and fnlfmt.
Emit method calls as foo:bar where appropriate.
Upgrade to latest Fennel version.
Fix outdated test case.
Patch fennel compiler to know that goto is a keyword.

This is fixed upstream, but we'll pull in the whole stable release
once it's out.
Allow it to run as a script or be used as a library.
Don't emit step in for loop when step is 1.
Changelog updates.
Separate out transform-do vs transform-fn.
Emit let instead of do+local or fn+local.
Update fennelfmt to latest version.
Update fennel to latest version. (0.5.1-dev)
Emit nils a few places it makes sense.
Keep the parser agnostic of Fennel.
Technically for introduces a local too.
Use luajit exclusively in CI.
Fix a bug in scoping for each.