Clear build on GHC 7.10

chunked-crypto.cabal

@@ -38,7 +38,7 @@ library
   -- other-modules:       
   -- other-extensions:    
   build-depends:
-    base >=4.7 && <4.8,
+    base >=4.7 && <4.9,
     word8 >= 0.1 && <0.2,
     bytestring >=0.10 && <0.11,
     memory >=0.10 && <0.11,