Merge: Automatic testing for data property range in examples  (based on nidm-results.owl)

Please note that this pull request is based on #120. #120 should be reviewed first.

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This pull request includes:

- An update of the class `CheckConsistency.py` to check that data types in the examples are consistent with range defined in `nidm-results.owl` file (for DataProperties).
- Fixes to insure the consistency of the provn examples and nidm-results.owl file.