2.5.2:
+ Bugfix for class(...) error occuring in R > 4.0.0
2.5.1:
+ Minor bugfixes
2.5.0:
+ Version bump of Bioconductor
2.0.3:
+ Check for detected singleton spot modules implemented
2.0.2:
+ csv output for international spreadsheet format.
2.0.1:
+ Colored edges in sample correlation networks & minor fixes.
2.0.0: 
+ Great performance boost by implementation of parallel SOM calculation. "som" package dependence removed.
