Add an allver data field

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
Implement a version selector for the plugin website.

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
flake8

Signed-off-by: Chris “Kwpolska” Warrick <kwpolska@gmail.com>
Merge pull request #35 from getnikola/website-version-selector

Implement a version selector for the plugin website.