solved some TODOs, check hex input and message length, simplified SymbolString ctors, fixed extra newline in scan result, no longer include write messages in default find command types, append command type to find result in verbose mode, add source and/or destination to update log when not set in the message definition, documentation

src/lib/ebus/test/test_message.cpp

@@ -74,8 +74,18 @@ int main()
 		string check[5] = checks[i];
 		istringstream isstr(check[0]);
 		string inputStr = check[1];
-		SymbolString mstr(check[2]);
-		SymbolString sstr(check[3]);
+		SymbolString mstr(true);
+		result_t result = mstr.parseHex(check[2]);
+		if (result != RESULT_OK) {
+			cout << "\"" << check[0] << "\": parse \"" << check[2] << "\" error: " << getResultCode(result) << endl;
+			continue;
+		}
+		SymbolString sstr(true);
+		result = sstr.parseHex(check[3]);
+		if (result != RESULT_OK) {
+			cout << "\"" << check[0] << "\": parse \"" << check[3] << "\" error: " << getResultCode(result) << endl;
+			continue;
+		}
 		string flags = check[4];
 		bool isTemplate = flags == "t";
 		bool dontMap = flags.find('m') != string::npos;
@@ -94,7 +104,6 @@ int main()
 			delete deleteMessage;
 			deleteMessage = NULL;
 		}
-		result_t result;
 		if (isTemplate == true) {
 			// store new template
 			DataField* fields = NULL;