from 1.2.0 to 1.3.0
includes:
- BUG_FIXED: Fixes a crash when shutting down an mqtt connection with an incomplete request with no callback from aws-c-mqtt
- BUG_FIXED: Fixed upgrade typo
- BUG_FIXED: Added a http.HttpRequest derived from crt_native.HttpRequest, taking InputStream as argument
- BUG_FIXED: Fix the refcounts for aws_http_message under HttpRequest