- Modified "Wave X" text for "Tabla del X"

- Implemented return values for messages
- Implemented one digit answers
- Project upgraded to VS2017

api.cpp

@@ -16,6 +16,7 @@ std::vector<System*> systems;
 std::vector<std::string> msgTexts;
 std::vector<System*> msgSystems;
 int msgParams[5];
+int msgReturn;
 bool reseted = false;
 bool anyKey = false;
 
@@ -191,3 +192,11 @@ void SendMessage(const char* msg, int p1, int p2, int p3, int p4, int p5) {
 int* GetMessageParams() {
 	return msgParams;
 }
+
+int GetMessageReturn() {
+	return msgReturn;
+}
+
+void SetMessageReturn(int value) {
+	msgReturn = value;
+}