small fixes

work on the haddock
remove the old attoparsec position stuff from the lexer
change the lexer to accept position info in the same way as the parser
replace sqlindent with new test exe which can parse, lex and indent

tools/Language/SQL/SimpleSQL/Tests.lhs

@@ -80,7 +80,7 @@ order on the generated documentation.
 
 > makeLexerTest :: Dialect -> String -> [Token] -> T.TestTree
 > makeLexerTest d s ts = H.testCase s $ do
->     let lx = either (error . show) id $ lexSQL d ("", 1, 1) s
+>     let lx = either (error . show) id $ lexSQL d "" Nothing s
 >     H.assertEqual "" ts $ map snd lx
 >     let s' = prettyTokens d $ map snd lx
 >     H.assertEqual "pretty print" s s'