Merge pull request #216 from tadata-org/add_badge_to_readme

fix position

add trending badge

Merge pull request #207 from tadata-org/release-0-4-0

bump version to 0.4.0

Merge pull request #206 from tadata-org/add-streamable-http-support

change docs for streamable HTTP and add changelog

add request context metadata in SSE transport

fix transport tests to match stateful http transport

use stateful http transport session manager instead

fix http transport to be stateful

add more http transport tests

test real http transport - baseline

rename

fix test