v1.2: Release 1.2: minor bug & doc fix

Makes the .get() compatibility alias work.
Also makes the README a bit clearer.

v1.1

Release 1.1

v1.0: Initial production-ready release

There is still more work to be done on Walter, mostly on its
documentation, but it's now ready to use!

v0.4-rc2

Formatter fixes

v0.4-rc1

Try building docs on GitHub