diff --git a/comfort-graph.cabal b/comfort-graph.cabal
--- a/comfort-graph.cabal
+++ b/comfort-graph.cabal
@@ -1,5 +1,5 @@
 Name:                comfort-graph
-Version:             0.0
+Version:             0.0.0.1
 Synopsis:            Graph structure with type parameters for nodes and edges
 Description:
   This graph structure is based on "Data.Map"
@@ -51,7 +51,7 @@
 Cabal-Version:       >=1.10
 
 Source-Repository this
-  Tag:         0.0
+  Tag:         0.0.0.1
   Type:        darcs
   Location:    http://hub.darcs.net/thielema/comfort-graph
 
diff --git a/src/Data/Graph/Comfort.hs b/src/Data/Graph/Comfort.hs
--- a/src/Data/Graph/Comfort.hs
+++ b/src/Data/Graph/Comfort.hs
@@ -58,7 +58,7 @@
 import qualified Data.Map as Map
 import qualified Data.Traversable as Trav
 import qualified Data.Foldable as Fold
-import Control.Monad (liftM2)
+import Control.Monad (liftM2, (=<<))
 import Control.Applicative (Applicative, pure, liftA2, liftA3)
 import Data.Foldable (Foldable, foldMap)
 import Data.Set (Set)
@@ -68,7 +68,17 @@
 
 import qualified Test.QuickCheck as QC
 
-import Prelude hiding (reverse)
+import Data.Functor (Functor, fmap)
+import Data.List (map, any, (++))
+import Data.Maybe (Maybe)
+import Data.Bool (Bool, not, (&&), (||))
+import Data.Eq (Eq, (==))
+import Data.Ord (Ord, compare, (<), (>))
+import Data.Tuple (uncurry)
+import Data.Function (flip, (.), ($))
+import Text.Show (Show, showParen, showString, shows, showsPrec)
+
+import Prelude (error)
 
 
 {-