Add Sequel Pro Nightly Build 4293
user
```ruby
class SequelProNightly < Cask
  version '4293'
  sha256 '8d75ee4c5198de7bfde6a3fb5578812c1dbe13e08f6451dc219f31fc0d3ef722'

  url 'http://nightly.sequelpro.com/builds/Sequel_Pro_r0c2ea8b95e.dmg'
  homepage 'http://nightly.sequelpro.com/'

  link 'Sequel Pro.app'
end
```
assistant