Log Message:
Update to 2.0.20:

Ver 2.0.20 - Wed Sep 23 18:42:02 PDT 2009
* Fix for 1-pixel postponement with 8bit scaling
* Updates to headers and configure to allow for cross-compiling
  to DLL (not just static .a) and fixes for compiling on Windows
  using autotools
* Added Visual CE Project to Other Builds
* Added Symbian and Windows 64bit fix for lrint function.