Add mandatory parameter <nbThreads> to dupradar.r 
Add mandatory parameter <nbThreads> to dupradar.r 

nbThreads argument is used to determine how many forks 'parallel' is allowed to spawn.

Plus argument validation
Plus debug messages (stderr) to monitor arguments and basename generation
SciLifeLab/NGI-RNAseq,SciLifeLab/NGI-RNAseq,Hammarn/NGI-RNAseq,ewels/NGI-RNAseq,SciLifeLab/NGI-RNAseq,Hammarn/NGI-RNAseq,Hammarn/NGI-RNAseq,ewels/NGI-RNAseq,ewels/NGI-RNAseq,Hammarn/NGI-RNAseq,SciLifeLab/NGI-RNAseq,ewels/NGI-RNAseq,Hammarn/NGI-RNAseq,ewels/NGI-RNAseq,SciLifeLab/NGI-RNAseq