Merge pull request #25 from IhorNehrutsa/master

Add  method to get raw value()

encoders/encoder.py

@@ -32,3 +32,5 @@ class Encoder:
     def reset(self):
         self._pos = 0
 
+    def value(self):
+        return self._pos

encoders/encoder_portable.py

@@ -34,3 +34,6 @@ class Encoder:
         if value is not None:
             self._pos = round(value / self.scale)  # # Improvement provided by @IhorNehrutsa
         return self._pos * self.scale
+
+    def value(self):
+        return self._pos

encoders/encoder_timed.py

@@ -59,3 +59,5 @@ class EncoderTimed:
     def reset(self):
         self._pos = 0
 
+    def value(self):
+        return self._pos