Bump msgpack version

Signed-off-by: Nilesh Patra <[email protected]>

Author: nileshpatra

setup.py

@@ -17,7 +17,7 @@
   long_description=open(README).read(),
   package_dir={'fluent': 'fluent'},
   packages=['fluent'],
-  install_requires=['msgpack<1.0.0'],
+  install_requires=['msgpack>=1.0.0'],
   author='Kazuki Ohta',
   author_email='[email protected]',
   url='https://github.com/fluent/fluent-logger-python',

tests/mockserver.py

@@ -68,7 +68,7 @@ def get_received(self):
         self._buf.seek(0)
         # TODO: have to process string encoding properly. currently we assume
         # that all encoding is utf-8.
-        return list(Unpacker(self._buf, encoding='utf-8'))
+        return list(Unpacker(self._buf))
 
     def close(self):