keep tag case but error out when they would collide excepto for casing
keep tag case but error out when they would collide excepto for casing

masayuko/nikola,okin/nikola,s2hc-johan/nikola,xuhdev/nikola,getnikola/nikola,masayuko/nikola,gwax/nikola,jjconti/nikola,JohnTroony/nikola,atiro/nikola,schettino72/nikola,TyberiusPrime/nikola,TyberiusPrime/nikola,atiro/nikola,yamila-moreno/nikola,knowsuchagency/nikola,jjconti/nikola,gwax/nikola,lucacerone/nikola,pluser/nikola,yamila-moreno/nikola,xuhdev/nikola,x1101/nikola,immanetize/nikola,pluser/nikola,techdragon/nikola,Proteus-tech/nikola,JohnTroony/nikola,jjconti/nikola,knowsuchagency/nikola,atiro/nikola,techdragon/nikola,techdragon/nikola,wcmckee/nikola,xuhdev/nikola,okin/nikola,xuhdev/nikola,immanetize/nikola,lucacerone/nikola,yamila-moreno/nikola,andredias/nikola,knowsuchagency/nikola,getnikola/nikola,wcmckee/nikola,s2hc-johan/nikola,wcmckee/nikola,x1101/nikola,immanetize/nikola,schettino72/nikola,Proteus-tech/nikola,Proteus-tech/nikola,getnikola/nikola,masayuko/nikola,berezovskyi/nikola,lucacerone/nikola,TyberiusPrime/nikola,Proteus-tech/nikola,schettino72/nikola,andredias/nikola,okin/nikola,andredias/nikola,getnikola/nikola,gwax/nikola,pluser/nikola,x1101/nikola,okin/nikola,berezovskyi/nikola,JohnTroony/nikola,s2hc-johan/nikola,berezovskyi/nikola