- fix RPI crash when changing state of output pin

(reason: DetectAnyEdge() was also configured for output pins)
- version string has now also build date
- updated golang dependencies

internal/PinControlService/HardwarePinEmu.go

@@ -3,26 +3,35 @@
 package PinControlService
 
 type PinEmu struct {
+	state  State
+	number int
 }
 
-func (*PinEmu) Toggle()            {}
-func (*PinEmu) High()              {}
-func (*PinEmu) Low()               {}
+func (p *PinEmu) Toggle() {
+	if p.state == LowState {
+		p.state = HighState
+	} else {
+		p.state = LowState
+	}
+
+}
+func (p *PinEmu) High()            { p.state = HighState }
+func (p *PinEmu) Low()             { p.state = LowState }
 func (*PinEmu) Input()             {}
 func (*PinEmu) Output()            {}
 func (*PinEmu) Detect(Edge)        {}
 func (*PinEmu) PullUp()            {}
 func (*PinEmu) PullDown()          {}
 func (*PinEmu) PullOff()           {}
-func (*PinEmu) Read() State        { return LowState }
+func (p *PinEmu) Read() State      { return p.state }
 func (*PinEmu) EdgeDetected() bool { return false }
 
 type HardwarePin struct {
 	Pin PinEmu
 }
 
-func NewHardwarePin(n int) HardwarePinInterface {
-	return &PinEmu{}
+func NewHardwarePin(num int) HardwarePinInterface {
+	return &PinEmu{state: LowState, number: num}
 }
 
 func HardwarePinOpen() error {