enable binary type for msgpack

Fixes tarantool#105

setup.py

@@ -83,6 +83,6 @@ def find_version(*file_paths):
     cmdclass=cmdclass,
     command_options=command_options,
     install_requires=[
-        'msgpack>=0.4.0',
+        'msgpack>=1.0.0',
     ]
 )

tarantool/request.py

@@ -76,31 +76,7 @@ def __init__(self, conn):
         self._sync = None
         self._body = ''
         self.response_class = Response
-
-        packer_kwargs = dict()
-
-        # use_bin_type=True is default since msgpack-1.0.0.
-        #
-        # The option controls whether to pack binary (non-unicode)
-        # string values as mp_bin or as mp_str.
-        #
-        # The default behaviour of the connector is to pack both
-        # bytes and Unicode strings as mp_str.
-        #
-        # msgpack-0.5.0 (and only this version) warns when the
-        # option is unset:
-        #
-        #  | FutureWarning: use_bin_type option is not specified.
-        #  | Default value of the option will be changed in future
-        #  | version.
-        #
-        # The option is supported since msgpack-0.4.0, so we can
-        # just always set it for all msgpack versions to get rid
-        # of the warning on msgpack-0.5.0 and to keep our
-        # behaviour on msgpack-1.0.0.
-        packer_kwargs['use_bin_type'] = False
-
-        self.packer = msgpack.Packer(**packer_kwargs)
+        self.packer = msgpack.Packer()
 
     def _dumps(self, src):
         return self.packer.pack(src)