(Since version 0.13.0) Use Def.inputTask with the Def.spaceDelimited()
parser.
(Since version 0.13.0) In build.sbt files, this call can be removed. In other cases, this can usually be replaced by Seq.
(Since version 0.13.16) use 'opt foreach sys.error' instead
(Since version 0.13.0) Use string interpolation