declare required extensions

and remove default extension pragmas (OverloadedStrings)

src/Dbapi.hs

@@ -1,5 +1,3 @@
-{-# LANGUAGE OverloadedStrings #-}
-
 -- {{{ Imports
 module Dbapi where
 

src/Main.hs

@@ -1,5 +1,3 @@
-{-# LANGUAGE OverloadedStrings #-}
-
 module Main where
 
 import Paths_dbapi (version)

src/Middleware.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE OverloadedStrings #-}
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 
 module Middleware where

src/PgQuery.hs

@@ -1,7 +1,4 @@
-{-# LANGUAGE OverloadedStrings #-}
-
 -- {{{ Imports
-
 module PgQuery (
   getRows
 , insert

src/PgStructure.hs

@@ -1,5 +1,3 @@
-{-# LANGUAGE OverloadedStrings #-}
-
 module PgStructure where
 
 import Data.Functor ( (<$>) )

src/RangeQuery.hs

@@ -1,5 +1,3 @@
-{-# LANGUAGE OverloadedStrings #-}
-
 module RangeQuery where
 
 import Control.Applicative

src/Types.hs

@@ -1,5 +1,4 @@
 {-# OPTIONS_GHC -fno-warn-orphans #-}
-
 module Types where
 
 import Database.HDBC (toSql, iToSql, SqlValue(..))