Potential pyvo issues. File issues here for exploration or directly in pyvo.

[tomdonaldson]

• [ ] SIA:size, SSA:diameter, SCS:radius, astroquery:radius|width|height. Common pyvo option that converts as needed? [hard]
• [ ] Expose TAPService.tables in RegistryResource [easy?]
• [ ] Expose TAPService.examples in RegistryResource [easy?]
• [ ] Table column describe() method [easy?]
• [ ] Method in pyvo.io.vosi.vodataservice.Table to get columns corresponding to a given UCD [easy?]
• [ ] Sensible return from getdatalink() if there is no datalink [easy]
• [ ] Method to get the contact info email for the curator responsible for a given service [?]
• [ ] Insert hooks to make raw VOTable results available to user.
• [ ] Improve TAP error handling when services return error info in different ways.
• [ ] Fix async with catalog upload (or is this heasarc? it works sync)