Added a small delay in the function to set the motion manager period because...

Added a small delay in the function to set the motion manager period because it is written into EEPROM.

src/bioloid_robot.cpp

@@ -405,6 +405,7 @@ void CBioloidRobot::mm_set_period(double period_ms)
     // internal time in 0|16 fixed point float format in seconds
     period=period_ms*1000.0; 
     this->robot_device->write_word_register(BIOLOID_MM_PERIOD_L,period);
+    usleep(10000);
   }
   else
     throw CBioloidRobotException(_HERE_,"Invalid robot device");
@@ -493,7 +494,6 @@ void CBioloidRobot::mm_disable_balance(void)
   }
   else
     throw CBioloidRobotException(_HERE_,"Invalid robot device");
-
 }
 
 bool CBioloidRobot::mm_is_balance_enabled(void)