New in 0.44:
* command line option to set starting position by airport ID

New in 0.43:
* material properties bug fixed when rendering terrain.
* bug in sky color generation fixed.
* bug in fog color generation fixed.
* zlib on the fly decompression/compression support.
* more code reorganization and clean ups.
* a fixed up 30 arcsec DEM file preprocessor.  World wide DEM's are 
  available in this format.

New in 0.42:
* Simple autopilot heading hold contributed by 
  Jeff Goeke-Smith <jgoeke@voyager.net>
* More code reorganization and clean ups.

New in 0.41:
* Many autoconf cleanups and tweaks
* make and make install work in unix
* make works for cygnus win32 (but not install yet)
* make dist now works
* added the Tools directory into the main source tree

New in 0.40:
* Gnu automake/autoconf/libtool make system
* Initial texture support
* Bug fixes