
* Remove the workaround that pinned args to v0.13.6 This reverts most of the changes in commit 6331b6c8b5d964ec0dbf2cd9bb84c60c650a0878 * throw exception if exit code is not an integer * rework command infrastructure to throw ToolExit when non-zero exitCode * convert commands to return Future<Null> * cleanup remaining commands to use throwToolExit for non-zero exit code * remove isUnusual exception message * add type annotations for updated args package
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