ENH: qza/qzv extensions are now appended to output paths if not provided
ENH: qza/qzv extensions are now appended to output paths if not provided

gregcaporaso/q2cli,jairideout/q2cli,gregcaporaso/q2cli,jairideout/q2cli,qiime2/q2cli,jakereps/q2cli,jakereps/q2cli,qiime2/q2cli