Standard error and contrast variance
Capitalise prov:type, add sha sum
Delete useless classes Peak() and Cluster()
export directory
Parameter estimate
Excursion set visualisation in slices
Feat version instead of FSL version

Can not find FSL version in feat directory...
Simplify coordinate space
Update variable names
Ground truth serialisation
Export nifti files with provn
Update serialisations
Do not create graph
Code cleaning