PUBLISHED_FROM=331821dcd1f7dc8a94581cd8a9b51aa00a89fddc

CL: none

PUBLISHED_FROM=d6ebe5fa88c61ae3b8569897d9b09d54610bec73

CL: Mongoose Web Server: Remove tunneling functionality which was used by nobody

PUBLISHED_FROM=38b9e8ae7b0a5a1dbba5cff4074843dc681267d3

CL: Mongoose Web Server: Digest authentication: Fix nonce validity check (expired nonce or nonce from the future did not cause the the check to fail)
CL: Mongoose Web Server: Digest authentication: Fix nonce request value; it worked before because nonce validity check was broken as well
CL: Mongoose Web Server: Digest authentication: Add `nonce` argument to `mg_http_create_digest_auth_header()`: clients should use the value received from the server's authentication request.

Resolves https://github.com/cesanta/mongoose/issues/809

PUBLISHED_FROM=5e59f90ed6b2a4311ed6763159da81c2aaf6af4c

CL: Mongoose Web Server: Websocket: Respond to Ping with Pong
CL: Mongoose Web Server: Websocket: Properly close a connection with Close frame (in response to a client's close and when protocol failure is detected)
CL: Mongoose Web Server: Websocket: Fix support of fragmented messages
CL: Mongoose Web Server: Websocket: Add support for control frames interjected in the middle of a fragmented message

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PUBLISHED_FROM=1bfc6e332f56b68eb6155bb729a97a0d8d5a316c

PUBLISHED_FROM=f97569ae2f31ab94ce4875eae4d0a198f719c388

Change the API to heap-allocate the string and get rid of a bunch of fat stack buffers.

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PUBLISHED_FROM=e69e298a51dbe0f9c47184169ecad06eef0676fc

Also amend api_net.js to use returned length.

PUBLISHED_FROM=38e15f9587edf28049c5b9e5f126b4db159910e8

 - Move keep alive management up to the Mongoose library
 - Only outgoing control messgaes should reset keepalive timer
 - Add unit test

https://forum.mongoose-os.com/discussion/1155/mqtt-keep-alive-compliance-issue

PUBLISHED_FROM=f86e30744ded53a6f7f96afec066b4ff3b4372c0

Rationale: this is the optimisation to make JS FFI-ed API
work nicer. We don't have strucuture introspection now,
and do not generate offsets automatially. Thus, using a
stable well-known location of the parsed message body is
better, in case of number of HTTP headers macro changes.

PUBLISHED_FROM=55bf25ac77060a9c81dfecd6601f037562530801

PUBLISHED_FROM=533e134a48e0fca55509c3eb16b0a6b64c1188e8

Remove the specialized URI parser, clean up code a bit.

Fix parsing of URIs with IPv6 hosts (http://[2001:2:3::4]:567/)

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PUBLISHED_FROM=29a204c2c7f35724b6f1e8435edb94869da2362c

PUBLISHED_FROM=93fe1cc2c5e2513509511a81e5919cbd37056b10

Frees up a bit of ram on ESP

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PUBLISHED_FROM=b5b12cdf4273f21dbcdac9bfb6a06063152914c9

PUBLISHED_FROM=1bdacf793b35ebe70d0a3a9d64260dd2bd135c73

PUBLISHED_FROM=35e8f18aa611b45c271d0178d9197291bfa9726d

`mg_mqtt_match_topic_expression()` and friends are public now.

So far, only `#` is supported.

PUBLISHED_FROM=20c031bcf34be84771c4a9c456318634eb9a517c

For both OpenSSL and mbedTLS

PUBLISHED_FROM=0bfd5f128b4c4c062cb6f0ca0da9b30790aa8bf8

PUBLISHED_FROM=f0fe58c9f01ef0c7b491ed0e5f51b983e4119507

PUBLISHED_FROM=7864ffa26cb553f5d4a93248f67c288327ec23b0

Optional specification of SSL/TLS cipher suites.

PUBLISHED_FROM=e8968c6c7a92f10514d3ee575c2fb9be862e6cf8

Also fixed a memory leak on reconnect: previously, each reconnect was
creating a `struct mg_connection` which was never reclaimed

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PUBLISHED_FROM=196199fd02ec9b20d1e76d1414bfafa624f9ebce

Currently only OpenSSL API impl, but the plan is to add more.

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