diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2012, Henning Thielemann
+Copyright (c) 2012-2015, Henning Thielemann
 
 All rights reserved.
 
diff --git a/soxlib.cabal b/soxlib.cabal
--- a/soxlib.cabal
+++ b/soxlib.cabal
@@ -1,5 +1,5 @@
 Name:             soxlib
-Version:          0.0.1.2
+Version:          0.0.2
 License:          BSD3
 License-File:     LICENSE
 Author:           Henning Thielemann <haskell@henning-thielemann.de>
@@ -22,7 +22,7 @@
   src/Sound/SoxLib/Template.h
 
 Source-Repository this
-  Tag:         0.0.1.2
+  Tag:         0.0.2
   Type:        darcs
   Location:    http://code.haskell.org/~thielema/soxlib/
 
diff --git a/src/Sound/SoxLib.hs b/src/Sound/SoxLib.hs
--- a/src/Sound/SoxLib.hs
+++ b/src/Sound/SoxLib.hs
@@ -13,6 +13,47 @@
    FFI.SignalInfo(..),
    FFI.EncodingInfo(..),
    FFI.defaultSignalInfo,
+
+   FFI.IOType,
+   FFI.ioFile,
+   FFI.ioPipe,
+   FFI.ioURL,
+
+
+   FFI.Option,
+   FFI.optionNo,
+   FFI.optionYes,
+   FFI.optionDefault,
+
+   FFI.Encoding,
+   FFI.encodingUnknown,
+   FFI.encodingSign2,
+   FFI.encodingUnsigned,
+   FFI.encodingFloat,
+   FFI.encodingFloatText,
+   FFI.encodingFlac,
+   FFI.encodingHcom,
+   FFI.encodingWavpack,
+   FFI.encodingWavpackf,
+   FFI.encodingUlaw,
+   FFI.encodingAlaw,
+   FFI.encodingG721,
+   FFI.encodingG723,
+   FFI.encodingClADPCM,
+   FFI.encodingClADPCM16,
+   FFI.encodingMsADPCM,
+   FFI.encodingImaADPCM,
+   FFI.encodingOkiADPCM,
+   FFI.encodingDPCM,
+   FFI.encodingDWVW,
+   FFI.encodingDWVWN,
+   FFI.encodingGSM,
+   FFI.encodingMP3,
+   FFI.encodingVorbis,
+   FFI.encodingAmrWB,
+   FFI.encodingAmrNB,
+   FFI.encodingCVSD,
+   FFI.encodingLPC10,
    ) where
 
 import qualified Sound.SoxLib.FFI as FFI
diff --git a/src/Sound/SoxLib/FFI.hsc b/src/Sound/SoxLib/FFI.hsc
--- a/src/Sound/SoxLib/FFI.hsc
+++ b/src/Sound/SoxLib/FFI.hsc
@@ -36,6 +36,13 @@
    , ioURL = lsx_io_url
    }
 
+instance Show IOType where
+   show (IOType #{const lsx_io_file}) = "ioFile"
+   show (IOType #{const lsx_io_pipe}) = "ioPipe"
+   show (IOType #{const lsx_io_url }) = "ioURL"
+   show (IOType n) = error $ "SoxLib.IOType.show: invalid number " ++ show n
+
+
 data Format mode =
    Format {
       filename :: FilePath,
@@ -166,7 +173,7 @@
    show (Option #{const SOX_OPTION_NO     }) = "optionNo"
    show (Option #{const SOX_OPTION_YES    }) = "optionYes"
    show (Option #{const SOX_OPTION_DEFAULT}) = "optionDefault"
-   show (Option n) = error $ "SoxLib.Option.show :invalid number " ++ show n
+   show (Option n) = error $ "SoxLib.Option.show: invalid number " ++ show n
 
 
 data EncodingInfo =
@@ -304,6 +311,11 @@
 
 
 newtype FileType = FileType {unFileType :: String}
+
+instance Show FileType where
+   showsPrec prec (FileType str) =
+      showParen (prec>=10) $ showString "FileType " . showString str
+
 type CFileType = CStr.CString
 type Sample = #{type sox_sample_t}
 type OOB = ()