PR followup

Added tests, incremented version, and added the author of the PR to the AUTHORS file

Author: jiaaro

Diff for: AUTHORS

@@ -38,4 +38,7 @@ Johan Lövgren
     github: dashj
 
 Joachim Krüger
-    github: jkrgr
+    github: jkrgr
+    
+Shichao An:
+	github: shichao-an

Diff for: setup.py

@@ -8,7 +8,7 @@
 
 setup(
     name='pydub',
-    version='0.16.1',
+    version='0.16.2',
     author='James Robert',
     author_email='[email protected]',
     description='Manipulate audio with an simple and easy high level interface',

Diff for: test/test.py

@@ -101,6 +101,13 @@ def assertWithinTolerance(self, val, expected, tolerance=None,
         upper_bound = val + tolerance
         self.assertWithinRange(val, lower_bound, upper_bound)
 
+    def test_direct_instantiation_with_bytes(self):
+        seg = AudioSegment(b'RIFF\x28\x00\x00\x00WAVEfmt \x10\x00\x00\x00\x01\x00\x02\x00\x00}\x00\x00\x00\xf4\x01\x00\x04\x00\x10\x00data\x04\x00\x00\x00\x00\x00\x00\x00')
+        self.assertEqual(seg.frame_count(), 1)
+        self.assertEqual(seg.channels, 2)
+        self.assertEqual(seg.sample_width, 2)
+        self.assertEqual(seg.frame_rate, 32000)
+
     def test_concat(self):
         catted_audio = self.seg1 + self.seg2