Adding warning if a tag is being redefined
Adding warning if a tag is being redefined

rjgotten/canjs,Psykoral/canjs,Psykoral/canjs,beno/canjs,ackl/canjs,whitecolor/canjs,patrick-steele-idem/canjs,ackl/canjs,rjgotten/canjs,patrick-steele-idem/canjs,whitecolor/canjs,Psykoral/canjs,Psykoral/canjs,gsmeets/canjs,tracer99/canjs,gsmeets/canjs,rasjani/canjs,rasjani/canjs,bitovi/canjs,gsmeets/canjs,rasjani/canjs,rjgotten/canjs,whitecolor/canjs,beno/canjs,bitovi/canjs,ackl/canjs,patrick-steele-idem/canjs,rasjani/canjs,tracer99/canjs,bitovi/canjs,rjgotten/canjs,bitovi/canjs,beno/canjs,tracer99/canjs