fix argument ambiguity by using double-dash #60
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since it's valid for filenames to begin with a dash, there's an ambiguity on weather something like `-i` refers to the cli flag or a file named `-i`. the convention is to use a double-dash "--" as a way to mark the end of cli options so that everything that comes after it can be treated as arguments. Closes: mwh#59
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since it's valid for filenames to begin with a dash, there's an ambiguity on weather something like
-irefers to the cli flag or a file named-i.the convention is to use a double-dash "--" as a way to mark the end of cli options so that everything that comes after it can be treated as arguments.
Closes: #59