diff --git a/Lucu.cabal b/Lucu.cabal
--- a/Lucu.cabal
+++ b/Lucu.cabal
@@ -8,7 +8,7 @@
         messing around FastCGI. It is also intended to be run behind a
         reverse-proxy so it doesn't have some facilities like logging,
         client filtering or such like.
-Version: 0.2
+Version: 0.2.1
 License: PublicDomain
 License-File: COPYING
 Author: PHO <pho at cielonegro dot org>
@@ -17,9 +17,8 @@
 Homepage: http://cielonegro.org/Lucu.html
 Category: Network
 Tested-With: GHC == 6.10.1
-Cabal-Version: >= 1.2.3
+Cabal-Version: >= 1.6
 Build-Type: Simple
-
 Extra-Source-Files:
     ImplantFile.hs
     NEWS
@@ -28,14 +27,19 @@
     examples/HelloWorld.hs
     examples/Makefile
 
+Source-Repository head
+    Type: darcs
+    Location: http://darcs.cielonegro.org/Lucu/
+
 Flag build-lucu-implant-file
     Description: Build the lucu-implant-file program.
     Default:     True
 
 Library
     Build-Depends:
-        HsOpenSSL, base, bytestring, containers, dataenc, directory,
-        haskell-src, hxt, mtl, network, stm, time, unix, zlib
+        HsOpenSSL, base >= 4, bytestring, containers, dataenc,
+        directory, haskell-src, hxt, mtl, network, stm, time, unix,
+        zlib
     Exposed-Modules:
         Network.HTTP.Lucu
         Network.HTTP.Lucu.Abortion
diff --git a/NEWS b/NEWS
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,8 @@
+Changes from 0.2 to 0.2.1
+-------------------------
+* Fixed incorrect dependency declaration in Lucu.cabal. No semantical
+  changes to the code.
+
 Changes from 0.1 to 0.2
 -----------------------
 * Fixed breakage on GHC 6.10.1. And now it requires 6.10.1...
diff --git a/Network/HTTP/Lucu/Abortion.hs b/Network/HTTP/Lucu/Abortion.hs
--- a/Network/HTTP/Lucu/Abortion.hs
+++ b/Network/HTTP/Lucu/Abortion.hs
@@ -38,9 +38,7 @@
     , aboMessage :: !(Maybe String)
     } deriving (Show, Typeable)
 
-instance Exception Abortion where
-    toException = SomeException
-    fromException (SomeException e) = cast e
+instance Exception Abortion
 
 -- |Computation of @'abort' status headers msg@ aborts the
 -- 'Network.HTTP.Lucu.Resource.Resource' monad with given status,
diff --git a/Network/HTTP/Lucu/MIMEType/Guess.hs b/Network/HTTP/Lucu/MIMEType/Guess.hs
--- a/Network/HTTP/Lucu/MIMEType/Guess.hs
+++ b/Network/HTTP/Lucu/MIMEType/Guess.hs
@@ -102,9 +102,9 @@
                                   [] (HsUnGuardedRhs extMapExp) []]
                      ]
           extMapExp = HsApp (HsVar (Qual (Module "M") (HsIdent "fromList"))) (HsList records)
-          comment =    "{- !!! WARNING !!!\n"
-                    ++ "   This file is automatically generated.\n"
-                    ++ "   DO NOT EDIT BY HAND OR YOU WILL REGRET -}\n\n"
+          comment   =    "{- !!! WARNING !!!\n"
+                      ++ "   This file is automatically generated.\n"
+                      ++ "   DO NOT EDIT BY HAND OR YOU WILL REGRET -}\n\n"
       in
         comment ++ prettyPrint hsModule ++ "\n"
     where
diff --git a/Network/HTTP/Lucu/Resource/Tree.hs b/Network/HTTP/Lucu/Resource/Tree.hs
--- a/Network/HTTP/Lucu/Resource/Tree.hs
+++ b/Network/HTTP/Lucu/Resource/Tree.hs
@@ -32,7 +32,6 @@
 import           Network.HTTP.Lucu.Utils
 import           Network.URI hiding (path)
 import           System.IO
-import           System.IO.Error hiding (catch)
 import           Prelude hiding (catch)
 
 
@@ -261,9 +260,3 @@
                             $ hPutStrLn stderr $ show abo
 
                flip runRes itr $ driftTo Done
-
-      formatIOE :: IOError -> String
-      formatIOE ioE = if isUserError ioE then
-                          ioeGetErrorString ioE
-                      else
-                          show ioE