* hex-tools: support for --compare option in the profile.py * hex-unary: improve collapse logic to also do splits if nrows is small * hex-colapse: handle all colapsing at the host and make it generic * hex-colapse: remove leftover unary helper
* hex-tools: support for --compare option in the profile.py * hex-unary: improve collapse logic to also do splits if nrows is small * hex-colapse: handle all colapsing at the host and make it generic * hex-colapse: remove leftover unary helper