fixes suggestions from git
fixes suggestions from git

TGAC/earlham-galaxytools,TGAC/earlham-galaxytools,anilthanki/tgac-galaxytools,anilthanki/tgac-galaxytools,TGAC/earlham-galaxytools,anilthanki/tgac-galaxytools,anilthanki/tgac-galaxytools,TGAC/earlham-galaxytools,anilthanki/tgac-galaxytools,TGAC/earlham-galaxytools