Add sqlite3 to Gemfile's test group so taps' tests pass.
Remove ssl:remove entirely. ssl:clear can be used instead.
Deprecate ssl:add.
Document everything in ssl namespace as 'legacy'.
Remove ssl_spec entirely since it was only testing ssl:remove, which is gone, and ssl:add, which doesn't do anything anymore.
ssl:add deprecation: update formatting to be more in line with pre-existing stuff