129 handle multtiple valid experiments in xnat

[laurencejackson]

Resolves #129

Adds validate_data option to XNAT data builder, when true any samples that did not return >= number of actions will be removed.

[github-actions[bot]]

Coverage Report

File	Stmts	Miss	Cover	Missing
mlops
Experiment.py	151	30	80%	44–49, 69, 76–77, 94, 96, 101, 170–184, 202, 204–205, 253–254, 262–265, 269–270, 277–278
ProjectFile.py	22	1	95%	38
_version.py	1	1	0%	1
cli.py	19	19	0%	1–52
mlops/data/tools
tools.py	109	89	18%	22–30, 33, 36–67, 70–117, 130–202
mlops/data/transforms
LoadImageXNATd.py	53	41	23%	23–28, 50–109
TOTAL	382	181	53%

Tests	Skipped	Failures	Errors	Time
14	2 :zzz:	0 :x:	0 :fire:	33.006s :stopwatch: