v0.2.0: Revert reg_*_list() functions to use lists of lists rather than lists…

… of vectors. (Lists allow multiple data types, while vectors coerce to a single type.)

v0.1.3

Remove 'default' argument from reg_positionals_list()

Sync version number & release tags.

v0.1.2

Update DESCRIPTION

v0.1.1

Add test script

First public beta

v0.1.0

Use MIT license