Make the color options not mutual exclusive
Make the color options not mutual exclusive

This commit allows to combine --red, --blue and --green options instead of the mutual exclusive behavior.
It is therefore possible to show, for example, only red and blue, that it to say every pieces of files that have changed.
foreni-packages/binwalk,foreni-packages/binwalk,cappiewu/binwalk,Flameeyes/binwalk,ddcc/binwalk,pyq881120/binwalk,Flameeyes/binwalk,emprovements/binwalk,chubbymaggie/binwalk,naterh/binwalk,ddcc/binwalk,naterh/binwalk,AmesianX/binwalk,cristianst85/binwalk,goofwear/binwalk,geekspeed/binwalk,zhuyue1314/binwalk,gale320/binwalk,AmesianX/binwalk,devttys0/binwalk,Eih3/binwalk,UniqMartin/binwalk,pyq881120/binwalk,pombredanne/binwalk,geekspeed/binwalk,cappiewu/binwalk,goofwear/binwalk,Eih3/binwalk,devttys0/binwalk,gale320/binwalk,hyper-xx/binwalk,emprovements/binwalk,jiangbing9293/binwalk,foreni-packages/binwalk,hyper-xx/binwalk,UniqMartin/binwalk,peterdocter/binwalk,0x7678/binwalk,anthraxx/binwalk,itsens/binwalk,peterdocter/binwalk,WooyunDota/binwalk,chubbymaggie/binwalk,zhuyue1314/binwalk,MaiPhuoc/binwalk,jiangbing9293/binwalk,itsens/binwalk,sundhaug92/binwalk,cristianst85/binwalk,thx0701/binwalk,pombredanne/binwalk,draekko/binwalk,MaiPhuoc/binwalk,thx0701/binwalk,WooyunDota/binwalk,anthraxx/binwalk,sundhaug92/binwalk,draekko/binwalk,sviehb/binwalk,sviehb/binwalk