Update to 0.7.1.3

Changelog:
Changed in version 0.7.1.3:
   * Add support for transformers-0.4.0.0.

Changed in version 0.7.1.2:
   * Require ghc>=7.0.1.
   * Allow building with terminfo-0.4.
Update to 0.2.3.0

Changes from
0.2.3.0
 - Updates for base-4.7.0 (GHC 7.8)
0.2.2.2
 - Removed references to base-unicode-symbols
 - Merge branch 'without-unicode-symbol-package' of git://github.com/minamiyama1994/lifted-base
 - Support transformers-0.4.0.0
0.2.2.1
 - Use Build-type: Simple
 - Fixed build on Mac OS X