Cabal revisions of crdt-10.4

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

 name: crdt version: 10.4+x-revision: 1           -- ^ ComVer category: Distributed Systems copyright:                   , bytestring                   , containers >= 0.5.9                     -- since lookupMax is used-                  , Diff+                  , Diff < 0.4                   , hashable                   , mtl                   , network-info