Classification should not try to classify class -1.0

typo

Include make test
Match code_ref color scheme

This might run tests earlier

Only removed -march=native xhost can also cause illegal instructions

Likley the cause of illegal instruction

Does not speed up, and something went wrong in tests

Make sure it works outside of my system and speed up ci process

Used in case a compilation fails because external library conflicts

minor change I missed

Updated the format towards Chris' suggestions

Fix the problems that were appearing earlier

This should make things clearer for the user

Will now actually test MPI files

CLP not CoinUtils

The website is down too often

Since MPI is not being used in the runners

Fix errors introduced from excluded inds changes

Tests failed becausssse off  this

The python API is not building since the lcov build artifacts was
not working.

In case primary features need to be excluded

Add explicit error message when trying to build a feature from a postfix expression with an improper leaf

Stops the seg fault when this occurs

Bug prevented this

Testing the phi ouput scheme

Reinitialize FeatureSpace in all constructors
Use a copy of the df for read_csv

So sissopp._sisso can be found

Add dependencies to the pages job
Some minor bug fixes