====== Zlib ======

  * http://www.zlib.net/
  * http://www.mingw.org/wiki/MSYS
  * http://msdn.microsoft.com/en-us/library/d91k01sh.aspx
  * http://book.seaside.st/book/getting-started/pharo/monticello
  * http://www.winimage.com/zLibDll/minizip.html
  * 