Require binary >= 0.7.

Needed for runGetOrFail.

pandoc.cabal

@@ -395,7 +395,7 @@ library
                  aeson-pretty          >= 0.8.5    && < 0.9,
                  attoparsec            >= 0.12     && < 0.14,
                  base64-bytestring     >= 0.1      && < 1.2,
-                 binary                >= 0.5      && < 0.11,
+                 binary                >= 0.7      && < 0.11,
                  blaze-html            >= 0.9      && < 0.10,
                  blaze-markup          >= 0.8      && < 0.9,
                  bytestring            >= 0.9      && < 0.12,