AUTOSTART macro

Starts a new task at this point during initialisation.  (no need to put a separate start command at the beginning)

RMFT2.cpp

@@ -217,6 +217,11 @@ LookList *  RMFT2::onCloseLookup=NULL;
         onCloseLookup->add(operand,progCounter);
         break;
 
+     case OPCODE_AUTOSTART:
+         // automatically create a task from here at startup. 
+         new RMFT2(progCounter);
+         break;
+
      default: // Ignore   
       break; 
      }     
@@ -769,6 +774,7 @@ void RMFT2::loop2() {
           if (diag) DIAG(F("EXRAIL begin(%d)"),operand);
           break;
 
+       case OPCODE_AUTOSTART: // Handled only during begin process
        case OPCODE_PAD: // Just a padding for previous opcode needing >1 operad byte.
        case OPCODE_SIGNAL: // Signal definition ignore at run time
        case OPCODE_TURNOUT: // Turnout definition ignored at runtime

RMFT2.h

@@ -30,7 +30,7 @@
 enum OPCODE : byte {OPCODE_THROW,OPCODE_CLOSE,
              OPCODE_FWD,OPCODE_REV,OPCODE_SPEED,OPCODE_INVERT_DIRECTION,
              OPCODE_RESERVE,OPCODE_FREE,
-             OPCODE_AT,OPCODE_AFTER,
+             OPCODE_AT,OPCODE_AFTER,OPCODE_AUTOSTART,
              OPCODE_LATCH,OPCODE_UNLATCH,OPCODE_SET,OPCODE_RESET,
              OPCODE_IF,OPCODE_IFNOT,OPCODE_ENDIF,OPCODE_IFRANDOM,OPCODE_IFRESERVE,
              OPCODE_DELAY,OPCODE_DELAYMINS,OPCODE_RANDWAIT,

RMFTMacros.h

@@ -60,6 +60,7 @@
 #define AFTER(sensor_id)
 #define AMBER(signal_id)
 #define AT(sensor_id)
+#define AUTOSTART
 #define CALL(route) 
 #define CLOSE(id) 
 #define DELAY(mindelay)
@@ -158,7 +159,8 @@ const int StringMacroTracker1=__COUNTER__;
 #undef AFTER
 #undef AMBER
 #undef AT
-#undef AUTOMATION 
+#undef AUTOMATION
+#undef AUTOSTART 
 #undef CALL
 #undef CLOSE
 #undef DELAY
@@ -240,6 +242,7 @@ const int StringMacroTracker1=__COUNTER__;
 #define AFTER(sensor_id) OPCODE_AT,V(sensor_id),OPCODE_AFTER,V(sensor_id),
 #define AMBER(signal_id) OPCODE_AMBER,V(signal_id),
 #define AT(sensor_id) OPCODE_AT,V(sensor_id),
+#define AUTOSTART OPCODE_AUTOSTART,NOP,
 #define CALL(route) OPCODE_CALL,V(route),
 #define CLOSE(id)  OPCODE_CLOSE,V(id),
 #define DELAY(ms) OPCODE_DELAY,V(ms/100L),