cl_debug history of changes
------------------------------

Version 2.0, 2006
- Renamed original macros and functions.
- Optionally save logging output on separate file.
- Added support for CoreFoundation.
- Added support for Windows (via OutputDebugStringA).
- Added integration with Adobe InDesign SDK (via TRACE).
- Added logging macros.
- Added kOurProductName extern.

Version 1.x, 2003
- Note: cl_debug originally was just a bunch of crude debugging macros, with no real thought in making them reusable as a separate library. Therefore, changes were not tracked in detail at that time. 
- Wrappers for fprintf.
- Wrappers for Cocoa NSLog.
- Output to stderr.