Fix pod2usage failure on GetOptions error#31
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Currently, if an error is detected while parsing the command line options (e. g. "pod2usage --does-not-exist"), pod2usage tries to call Pod::Usage's pod2usage() before that module is loaded. This change saves the result of parsing the command line options, loads the module and then calls pod2usage() if needed.
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Currently, if an error is detected while parsing the command line options (e. g. "pod2usage --does-not-exist"), pod2usage tries to call Pod::Usage's pod2usage() before that module is loaded. This change saves the result of parsing the command line options, loads the module and then calls pod2usage() if needed.