Allow hashable-1.4 and text-2.0 (#1089)

Author: Bodigrim

hackage-server.cabal

@@ -109,7 +109,7 @@ common defaults
     , mtl                   ^>= 2.2.1
     , pretty                 >= 1.1   && < 1.2
     , process                >= 1.6   && < 1.7
-    , text                  ^>= 1.2.5.0
+    , text                  ^>= 1.2.5.0 || ^>= 2.0
     , time                   >= 1.9   && < 1.13
     , transformers           >= 0.5   && < 0.6
     , unix                   >= 2.7   && < 2.8
@@ -394,7 +394,7 @@ library lib-server
     , hackage-security-HTTP ^>= 0.1.1
     , haddock-library       > 1.7 && < 2
     , happstack-server      ^>= 7.7.1
-    , hashable              ^>= 1.3
+    , hashable              ^>= 1.3 || ^>= 1.4
     , hslogger              ^>= 1.3.1
     , lifted-base           ^>= 0.2.1
     , mime-mail             ^>= 0.5