Runs a series of checks on a QWAimages object and warns about any issues
found. Checks include: compliance with the base JSON schema, consistency of
the roxas_version attribute with the $software column, missing optional
columns, and invalid data structure.
Arguments
- x
A QWAimages object.
Value
TRUE, invisibly. Warnings are issued for any problems found;
an error is thrown if the object structure is invalid.