* pattanaik00
  check local adaptation

* durand02
  errors in fourier transformation (very rare but happens)
  downsampling and uncertainity fix

* reinhard02
  more informative manual
  not much visible difference between with and without scales
   (possible bug?)
  license issue with reinhard02 - change the code, code from heiland-allen

* set luminance tag to appropriate value
* add package version for help string
* bugs and comments to pfstools group


to check for each algorithm
-----------------------------
Makefile
Source code
License
Manual
Set of options
help and verbose
paper reference
equations
Try out if still works
memory leaks (valgrind)