Experimaestro

Fix

- get back to sys.exit

Fix

- force exit with multiprocessing

Fix

- multiple launchers

Feat

- handles properly mp.spawn
- requirements can now include a disjunction
- environment can be defined in the settings

Fix

- **slurm**: Check if slurm process is alive before returning it
- really using the workspace directory

Feat

- uses job failure status
- HandledException to shorten error stack trace

Fix

- Deprecate YAML defined launchers
- added pre/post yaml options
- better error messages
- support python 3.12 pathlib
- **typinutils**: test for optional
- _collect_parameters is in Python 3.11
- **types**: accept generics as Param (but no real validation)
- **ConfigurationBase**: Documentation and new fields to describe an experiment
- process YAML file in the right order
- Configuration must be OmegaConf to be transformed

Refactor

- Use XPMValue and XPMConfig to distinguish configurations and values