Refactor ConsoleArgumentParser

[Brett208]

• Update ConsoleSwitch struct to take const string references as input arguments.
• Update ConsoleSwitch struct to use constructor list initialization
• Update ConsoleArgumentParser::FindSwitch's body to use a ranged base for loop that uses auto&
• Make function ArgumentMatch(std::string argument) a const function
• Include cstddef in ConsoleArgumentParser's header and append std namespace to all calls to size_t