Fix bug where a boundary would be padded with zeros.

Since `slow_vec` is filled with `0` when created, so that we can index
into it, it thinks that the zeros are a part of the final boundary,
when they really just are placeholders.

Remove _by_dim suffix.

This was used for almost all keys, making it very annoying

Add simplex count output in Aggregate

Fix bug in `reduce`

Merging is hard :'(

cargo fmt

Turns out Kakoune is messing up my indentation >:(

Issue #4: Add `adds_required_by_dim` as output.

Add the boundary for the test data set Twoc

Issue #3: Start counting at 1, since 0 is the empty simplex.

Add license

Update README a little more

Fix Markdown errors in the README

Move code to top level

Fix warnings and remove some dead code

Begin on rewriting stats and stats output.

Remove dead and commented out code

Remove double reduction variant runs.

It's probably better to run just one of the variants, and output the data
to some other format. For the stats things we could use some other standard
format, and have a script patch things back together.

Add test tet file, and flush out some easy bugs

Fix warnings with old code

Greatly simplify the `reduce` method.

Begin on improved reduction implementation