Sean Robinson ea1f7ef663 Allow removal of default arguments (i.e. --help and --version) ... The help and version arguments are still included by default, but which default arguments to include can be overridden at ArgumentParser creation. argparse generally copies Python argparse behavior. This includes a default `--help`/`-h` argument to print a help message and exit. Some developers using argparse find the automatic exit to be undesirable. The Python argparse has an opt-out parameter when constructing an ArgumentParser. Using `add_help=False` avoids adding a default `--help` argument and allows the developer to implement a custom help. This commit adds a similar opt-out to our C++ argparse, but keeps the current behavior as the default. The `--help`/`-h` and `--version`/`-v` Arguments handle their own output and exit rather than specially treating them in ArgumentParser::parse_args_internal. Closes #119 Closes #138 Closes #139 Signed-off-by: Sean Robinson <sean.robinson@scottsdalecc.edu>		2021-10-27 09:02:33 -07:00
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argparse	Allow removal of default arguments (i.e. --help and --version)	2021-10-27 09:02:33 -07:00