Merge pull request #89 from Calzzetta/master

fix for integer Content-Length header requests >= 2.11.0

vimeo/upload.py

@@ -105,7 +105,7 @@ def _make_pass(self, upload_target, f, size, last_byte):
             upload_target,
             timeout=None,
             headers={
-                'Content-Length': size,
+                'Content-Length': str(size),
                 'Content-Range': 'bytes: %d-%d/%d' % (last_byte, size, size)
             }, data=f)