added humidity as property, updated comments

Author: gjdv

daikinapi.py

@@ -363,7 +363,7 @@ def price_int(self):
     def compressor_frequency(self):
         """
         compressor frequency/power
-        :return:
+        :return: The outside compressor load, normally between 12 to 84 max
         """
         return int(self._get_sensor()["cmpfreq"])
 
@@ -375,6 +375,14 @@ def inside_temperature(self):
         """
         return float(self._get_sensor()["htemp"])
 
+    @property
+    def inside_humidity(self):
+        """
+        inside relative humidity
+        :return: percent
+        """
+        return float(self._get_sensor()["hhum"])
+
     @property
     def outside_temperature(self):
         """