Bug Fixes
* add error handling for column labels ([168c36b](https://github.com/Callum-Irving/snvis/commit/168c36b231ec2124d7f000170691da298a53da4f))
* handle unknown connection error ([5ed7f49](https://github.com/Callum-Irving/snvis/commit/5ed7f4946c158bb2204723b3b610044d80270a3c))
* use underscores in metadata ([c3881f3](https://github.com/Callum-Irving/snvis/commit/c3881f3ecef73ecfef71d8d52bf925102a1f8166))
Features
* add optional viewing flag ([628a92f](https://github.com/Callum-Irving/snvis/commit/628a92f0cc3386819fd7dff323655ed96ced1472))