Fix for SmartStrip repr (#169)

* Added unit tests for repr.

* Fix repr for SmartStrip.

Fixes #165

pyHS100/tests/test_bulb.py

@@ -225,6 +225,9 @@ class TestSmartBulb(TestCase):
             with self.assertRaises(SmartDeviceException):
                 self.bulb.hsv = (0, 0, invalid_brightness)
 
+    def test_repr(self):
+        repr(self.bulb)
+
 
 class TestSmartBulbLB100(TestSmartBulb):
     SYSINFO = sysinfo_lb100

pyHS100/tests/test_pyHS100.py

@@ -271,6 +271,9 @@ class TestSmartPlugHS100(TestCase):
         self.sysinfo_schema({'mac': self.plug.mac})  # wrapping for val
         # TODO check setting?
 
+    def test_repr(self):
+        repr(self.plug)
+
 
 class TestSmartPlugHS110(TestSmartPlugHS100):
     SYSINFO = sysinfo_hs110

pyHS100/tests/test_strip.py

@@ -436,3 +436,6 @@ class TestSmartStripHS300(TestCase):
 
     def test_mac(self):
         self.sysinfo_schema({'mac': self.strip.mac})  # wrapping for vol
+
+    def test_repr(self):
+        repr(self.strip)