fixed change mode and control logic method

src/specificClass.js

@@ -212,6 +212,19 @@ class PumpingStation {
     );
   }
 
+  changeMode(newMode){
+    if ( this.config.control.allowedModes.has(newMode) ){
+      const currentMode = this.mode;
+      this.logger.info(`Control mode changing from ${currentMode} to ${newMode}`);
+      this.mode = newMode;
+    }
+    else{
+      this.logger.warn(`Attempted to change to unsupported control mode: ${newMode}`);
+    }
+
+  }
+
+
   _controlLogic(direction) {
     switch (this.mode) {
       case 'levelbased':