diff --git a/Bezout.hs b/Bezout.hs
--- a/Bezout.hs
+++ b/Bezout.hs
@@ -1,3 +1,5 @@
+
+
 module Bezout (
 -- *  Extended gcd of integers
 besout ,
@@ -165,4 +167,5 @@
 prettyFormPoly [[]] = []
 prettyFormPoly [[a,b]]=[a]
 prettyFormPoly (x:t:xs) = let z = [x!!0] ++ (replicate (fromIntegral (x!!1 - t!!1 - 1)) 0) in z ++ prettyFormPoly (t:xs)
+
 
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2013, Abdelwaheb Miled
+Copyright (c) 2014, Abdelwaheb Miled
 
 All rights reserved.
 
diff --git a/besout.cabal b/besout.cabal
--- a/besout.cabal
+++ b/besout.cabal
@@ -1,54 +1,24 @@
 -- Initial besout.cabal generated by cabal init.  For further 
 -- documentation, see http://haskell.org/cabal/users-guide/
 
--- The name of the package.
 name:                besout
-
--- The package version.  See the Haskell package versioning policy (PVP) 
--- for standards guiding when and how versions should be incremented.
--- http://www.haskell.org/haskellwiki/Package_versioning_policy
--- PVP summary:      +-+------- breaking API changes
---                   | | +----- non-breaking API additions
---                   | | | +--- code changes with no API change
-version:             0.2.0.0
-
--- A short (one-line) description of the package.
+version:             0.2.0.1
 synopsis:            Extended GCD of polynomials over F_p[x]
-
--- A longer description of the package.
 -- description:         
-
--- The license under which the package is released.
 license:             BSD3
-
--- The file containing the license text.
 license-file:        LICENSE
-
--- The package author(s).
 author:              Abdelwaheb Miled
-
--- An email address to which users can send suggestions, bug reports, and 
--- patches.
 maintainer:          abdelwahebmiled@gmail.com
-
--- A copyright notice.
 -- copyright:           
-
 category:            Math
-
 build-type:          Simple
-
--- Constraint on the version of Cabal needed to build this package.
-cabal-version:       >=1.8
-
+-- extra-source-files:  
+cabal-version:       >=1.10
 
 library
-  -- Modules exported by the library.
   exposed-modules:     Bezout
-  
-  -- Modules included in this library but not exported.
   -- other-modules:       
-  
-  -- Other library packages from which modules are imported.
-  build-depends:       base ==4.6.*
-  
+  -- other-extensions:    
+  build-depends:       base >=4.7 && <4.8
+  -- hs-source-dirs:      
+  default-language:    Haskell2010