Fix empty array unit test by reimplementing the node->children.size() test erroneously removed in r466
Fix empty array unit test by reimplementing the node->children.size() test erroneously removed in r466


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