Includes a full implementation of a type-homogeneous Tuple type, using the template types
feature, as a demonstration/check of its operation.
Co-authored-by: Glen Whitney <glen@studioinfinity.org>
Reviewed-on: #45
Allows dependencies to be economically expressed and used.
For example, see the new definition of subtract.
Credit for the basic idea goes to James Drew, see
https://stackoverflow.com/a/41525264Resolves#21.
