Parses and allows querying the command line arguments and configuration file.
The optional configuration file (vibe.conf) is a JSON file, containing an object with the keys corresponding to option names, and values corresponding to their values. It is searched for in the local directory, user's home directory, or /etc/vibe/ (POSIX only), whichever is found first.
|Checks for unrecognized command line options and display a help screen.|
|Prints a help screen consisting of all options encountered in getOption calls.|
|Finds and reads an option from the configuration file or command line.|
|The same as readOption, but throws an exception if the given option is missing.|