 14/12/2004
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* new algorithms
	ashikhmin02, fattal02

* durand02
	corrected interpretation of compression factor
	percentile to estimate min and max in final mapping -> more stable

* pattanaik02
	bug fix: local adaptation
	bug fix: r,g,b intensities normalization

* reinhard02
	fix: memory leaks in building the pyramid

 22/09/2004
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* first unofficial release

* implemented algorithms
	drago03, durand02, pattanaik00, reinhard02, reinhard04
