fix train encodeing make, negative idle pulse optional

train.h

@@ -43,13 +43,13 @@ public:
     Train(const uint8_t address, uint8_t functionmask = 0b1111);
     Train();
 
-    void resendData();
+    void sendData();
     
     void reverse();
     
     void stop();
     
-    bool isActive() {return _speed || _function;}
+    bool isActive() {return getSpeed() || getFunctions();}
     
     uint8_t getAddress();