Slight cleanup of the boxed_number cleanups from mgee
Slight cleanup of the boxed_number cleanups from mgee

bradparks/ChaiScript__cplusplus_scripting_language,kamilzubair/ChaiScript,bradparks/ChaiScript__cplusplus_scripting_language,kamilzubair/ChaiScript,bradparks/ChaiScript__cplusplus_scripting_language,kamilzubair/ChaiScript