bumping versions back to 0.6 post-release

Cabal.cabal

 Name: Cabal
-Version: 0.5
+Version: 0.6
 Copyright: 2003-2005, Isaac Jones
 Build-Depends: base, util
 License: BSD3

GNUmakefile

-CABALVERSION=0.5
+CABALVERSION=0.6
 GHCFLAGS= --make -Wall -fno-warn-unused-matches -cpp
 # later: -Wall
 PREF=/usr/local

debian/libghc6-cabal-dev.prerm

@@ -21,7 +21,7 @@ case "$1" in
     remove|upgrade|deconfigure)
         chmod +x /usr/share/doc/libghc6-cabal-dev/unregister.sh
         /usr/share/doc/libghc6-cabal-dev/unregister.sh
-        rm -f /usr/lib/haskell-packages/ghc6/lib/Cabal-0.5/HSCabal*.o
+        rm -f /usr/lib/haskell-packages/ghc6/lib/Cabal-0.6/HSCabal*.o
 
 #       install-info --quiet --remove /usr/info/missingh.info.gz
         ;;