Depio

This is the initial release to test the pipeline

**Changes**

1. Fix the export for executors

**Changes**

1. Fixed a bug with slurm, if a job is skipped it has not associated slurmjob. Hence, we can also not wait for it.
2. Rename the sequential executor and add a proper logging to it

**Changes**:

- Implement different build modes, allowing that jobs as never, always executed, or just if an output file is missing.
- Canceling all jobs if the tool is canceled.