Add IRWrapper and change IRSensor logic

docs/source/lib/IRWrapper.rst

@@ -0,0 +1,22 @@
+.. _lib_irwrapper:
+
+Infrared Wrapper
+****************
+
+.. autoclass:: compLib.IRWrapper.IRWrapper
+   :members:
+
+Examples
+=========
+
+Calibrating analog sensors
+--------------------------
+
+.. code-block:: python
+
+   from compLib import IRWrapper
+
+   ir = IRWrapper.IRWrapper()
+
+    ir.calibrate()
+    print("left {} middle {} right {}".format(ir.bottom_left_calibrated(), ir.bottom_middle_calibrated(), ir.bottom_right_calibrated()))