Updates for 0.7

Author: paf31

src/Control/Monad/ST.purs

@@ -1,5 +1,7 @@
 module Control.Monad.ST where
 
+import Prelude
+
 import Control.Monad.Eff (Eff(), runPure)
 
 -- | The `ST` effect represents _local mutation_, i.e. mutation which does not "escape" into the surrounding computation.