opencensus 0.5.0

• Add cumulative API (#626)

opencensus-ext-django 0.3.0

• Decouple exporter logic from configuration
• Prevent anonymous user error on old django versions (#603)

opencensus-ext-flask 0.3.0

• Decouple exporter logic from configuration

opencensus-ext-grpc 0.2.0

• Create WrappedResponseIterator for intercepted bi-directional rpc stream.

opencensus-ext-ocagent 0.3.0

• Add stats exporter (#617)

opencensus-ext-pyramid 0.3.0

• Refactor configuration, keep consistent with Flask/Django
• Use W3C TraceContext propagation by default

opencensus-ext-stackdriver 0.3.0

• Multiple changes to stats exporter API