Cabal revisions of AC-Vector-2.1.0

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

 Cabal-Version: >= 1.6
 Name:          AC-Vector
 Version:       2.1.0
+x-revision: 1
 Stability:     Experimental
 Synopsis:      Efficient geometric vectors and transformations.
 
     Data.BoundingBox.B2,
     Data.BoundingBox.B3,
     Data.BoundingBox.B4
-  Build-Depends:   base >= 4 && < 5
+  Build-Depends:   base >= 4 && < 4.11
   HS-Source-Dirs:  .