Added code to get a non-const char* from a std::string

connect_code.cpp

@@ -11,8 +11,10 @@ namespace connect_code {
 	 /* Tokenizes a string, based on the given delimiter */
 	std::vector<std::string> tokenize_str(std::string str, std::string delim) {
 		std::vector<std::string> result;
-		char* c_str = str.data();
-		char* c_delim = delim.data();
+		/* &str[0] is used to convert an std::string to a char*. I tried using string.data(),
+		but that appears to return a const char*.  */
+		char* c_str = &str[0];
+		char* c_delim = &delim[0];
 
 		char* tok = strtok(c_str, c_delim);
 		while (tok != NULL) {