src/main/java/wycc/util/CommandParser.java
private static Pair<String,Object> parseOption(String arg) {
		arg = arg.substring(2);
		String[] split = arg.split("=");
		Object data = null;
		if(split.length > 1) {
			data = parseData(split[1]);
		}
		return new Pair<>(split[0],data);
	}
private static Pair<String,Object> parseOption(String arg) {
		arg = arg.substring(2);
		String[] split = arg.split("=");
		Object data = null;
		if(split.length > 1) {
			data = parseData(split[1]);
		}
		return new Pair<>(split[0],data);
	}
Parse an option which is either a string of the form "--name" or
"--name=data". Here, name is an arbitrary string and data is a string
representing a data value.

@param arg
The option argument to be parsed.
@return