Fixed - Bug with negative numbers in lists as strs
Changes - Delimiter of `nargs` of searchable argument from `~~` to `|` - Util name form `list_as_dashed_str` to `list_as_delim_str` - Default delimiter in (now) `list_as_delim_str` changed to `,` (avoids errors with negative numbers)
1.5.2
Fixed - Bug caused by leftover code
1.5.1
Fixed - Bug where config file would not override unspecified arguments that had a default value.
1.5.0
Added - Ability to use configuration files (of any kind with `omegaconf`) to populate the returned namespaces.