fix encoding unicode strings, and Text support

haskell/msgpack.cabal

@@ -23,6 +23,7 @@ Library
   Build-depends:    base >=4 && <5,
                     transformers >= 0.2 && < 0.3,
                     bytestring >= 0.9 && < 0.10,
+                    text >= 0.11 && < 0.12,
                     vector >= 0.7 && < 0.8,
                     attoparsec >= 0.8 && < 0.9,
                     binary >= 0.5.0 && < 0.5.1,
@@ -41,6 +42,9 @@ Library
     Data.MessagePack.Object
     Data.MessagePack.Derive
 
+  Other-modules:
+    Data.MessagePack.Internal.Utf8
+
 Source-repository head
   Type:     git
   Location: git://github.com/msgpack/msgpack.git