# 0.5.0
+
* Beta candidate, potential incompatible changes with how requests are processed.
* All requests should be made using execute() or execute!()
* :api_method in request can no longer be a string
* Deprecated ResumableUpload.send_* methods.
* Reduce memory utilization when uploading large files
+* Automatic refresh of OAuth 2 credentials & retry of request when 401 errors
+ are returned
* Simplify internal request processing.
# 0.4.7