Added unicode handling fix by MisterWil in PR invisibleroads#158

Author: Nakroma

.gitignore

@@ -12,3 +12,4 @@ sdist
 # Vim
 *.sw[op]
 *~
+.idea

setup.py

@@ -11,7 +11,7 @@
 ])
 setup(
     name='socketIO-client-nexus',
-    version='0.7.3',
+    version='0.7.4',
     description='A socket.io client library',
     long_description=DESCRIPTION,
     license='MIT',

socketIO_client/parsers.py

@@ -130,5 +130,5 @@ def _read_packet_length(content, content_index):
 def _read_packet_text(content, content_index, packet_length):
     while content.decode()[content_index] == ':':
         content_index += 1
-    packet_text = content[content_index:content_index + packet_length]
-    return content_index + packet_length, packet_text
+    packet_text = content.decode()[content_index:content_index + packet_length]
+    return content_index + packet_length, packet_text.encode()