Fix unicode filenames

Author: elbuo8

sendgrid/message.py

@@ -126,6 +126,8 @@ def add_attachment(self, name, file_):
             self.files[name] = file_.read()
 
     def add_attachment_stream(self, name, string):
+        if sys.version_info < (3, 0) and isinstance(name, unicode):
+            name = name.encode('uft-8')
         if isinstance(string, str):
             self.files[name] = string
         elif isinstance(string, io.BytesIO):

sendgrid/version.py

@@ -1,2 +1,2 @@
-version_info = (1, 0, 1)
-__version__ = '.'.join(str(v) for v in version_info)
+version_info = (1, 1, 0)
+__version__ = '.'.join(str(v) for v in version_info)