v1.19-1 - Minor new features + Fixes

• Features:

  • HTTP server can extract values from JSON
  • Option in HTTP server to prevent any body from being parsed
  • Added memory cache in cacher module
  • Message taint option in httpclient to prevent messages from
    backfiring.

• Fixes:

  • Crash in MQTT client upon reconnect attempts due to incorrect
    cast.
  • Fix non-working will and retain messages in MQTT broker.
  • Incorrect default port numbers in MQTT broker
  • MQTT ping messages were not being sent
  • Sending in httpserver stopped for longer data if nothing else
    were added to be sent or read.
  • Messages were sorted in reverse order in IP module
  • Ensure correct sorting in IP module by using and index
    instead of timestamp.
  • Missing default port number in mqtt client
  • Incorrect byte counting in misc. send functions causing
    problems with longer messages.
  • Broken SQL generation in mysql module due to error in
    string builder.
  • Allow spaces after certain HTTP/1 header fields
  • Missing IP information in messages arriving on TCP in IP
    module.
  • Minor errors in debug messages.

• Under the hood:

  • Incref/decref abstraction added to FIFO buffer to reduce
    complexity in mqtt.
  • Misc. cleanups