Add ltrim, rtrim, and trim
Add ltrim, rtrim, and trim

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