Added in the encryption component
Tweak whitespace in encrypter.
Merge branch 'silentworks-components/encrypter'

* silentworks-components/encrypter:
  Tweak whitespace in encrypter.
  Added in the encryption component
  Fix readme typo
  Add sesion gear to README
  Add Slim Services by @itsgoingd to README
  Link @jeremyvaught's CodeIgniter-Service-Level in README