sss/eff: update Eff to depend on Reflection

- the type of 'Eff' has collapsed into that of 'VE'. as such 'VE' is no
  longer needed and has been removed.

- since we're no longer utilizing Codensity, the signature of 'send' has
  been simplified

- because the types 'VE' and 'Eff' are the same, admin has been reduced
  to 'id' and as such has been removed

fixes #17
sss/eff: version bump 1.8.2.0 -> 1.9.0.0

resolves #17