Merge pull request #76 from Bodigrim/patch-1

Allow template-haskell-2.20

Author: jamesdbrock

thyme.cabal

@@ -97,7 +97,7 @@ library
         old-locale >= 1.0,
         random,
         text >= 0.11,
-        template-haskell >= 2.7 && < 2.20,
+        template-haskell >= 2.7 && < 2.21,
         time >= 1.4,
         vector >= 0.9,
         vector-th-unbox >= 0.2.1.0,