(Rough) Revision history for Perl extension Bio::Affymetrix. Please note that all versions < 1 are beta- check your results carefully! 0.1: Initial version 0.2: Can now parse GCOS v1.2 CDF files. CDF writing from MAS5 CDF files now supported. Probeset/Probe interface changed. You can now edit the probes, and write to log. 0.4: Fix for data scrambling in CHP file parsing. Preliminary CEL file modules. 0.5 CEL file parsing