For JSON::FromString(): support converting Javascript array to arbitrary Origin C vector types, for example:

string strvs = "[\"hello1\",\"hello2\",\"hello3\"]";

vector<string> vs;

JSON.FromString(vs, strvs);

For JSON::ToString(): support convert Origin C vector to Javascript array, lfor example:

vector<string> vs = {"Chris", "Zheng", "Aviel", "Hideo", "Yiming"};

string str;

JSON.ToString(vs, str);