0.0.6 - 19/04/2013
  Switch to POSIX "bracket expression" from \p{Blank} to provide better ruby compatibility
  Minor fixes to README
0.0.5 - 31/01/2013
  Safer rack default options: remove_intertag_spaces => false
  README more clear
0.0.4 - 16/01/2013
  Preserve empty textarea (issue #3)
0.0.3 - 18/05/2012
  Added customizable options to rack middlewar
0.0.2
  First realase