Revision history for Perl extension Net::MQTT::Simple.

Incompatible changes are marked with "!!". Incompatibility with and changes in
"undocumented features" are not always specifically mentioned here.

1.21  Sat Sep 12 1:32 2015
        - New: options --count, --message-only, --one in command line utility
        - Bug fix: enable autoflush in utility, for better pipe compatibility

1.20  Thu Feb 5 13:22 2015
        - Bug fix: /# also matched any topic that matches + (tests were wrong)
          (Reported by ral in #mqtt)
        - Bug fix: Subscription topics weren't UTF8-encoded
        - Improvement: tests for topics "" and "/"
        - Code cleanups
        - New: Support for unsubscribing

1.16  Fri May 30 23:45 2014
        - Bug fix: Clear buffer on reconnect to avoid garbage.
        - New: Reconnect on ping timeout.

1.15  Tue May 27 22:35 2014
        - Bug fix: Client certificates now work.
        - Improvement: Pattern tests now includes those from mosquitto.
          (Suggested by karlp in #mqtt)

1.14  Tue May 27 13:09 2014
    !!  - Bug fix: Unlike topics, message payloads are binary data, not text
          strings. This module no longer encodes or decodes them as UTF-8.
          A warning will be emitted if you try to publish data that is not
          binary compatbile. This change has no impact on 7 bit ASCII data.

1.13  Tue May 27 02:39 2014
        - New: SSL support
        - New: --except option for mqtt-simple command line utility
        - New: --raw option for mqtt-simple command line utility
        - New: --no-color option for mqtt-simple command line utility
        - Improvement: mqtt-simple enables color by default, for terminals
        - Improvement: mqtt-simple filters ASCII control codes
        - Improvement: filter_as_regex is exposed and documented

1.12  Mon May 26 16:24 2014
        - Bug fix: Update MANIFEST to include some new files
          (Reported by foobar in #revspace)
        - Bug fix: This file (Changes) mentioned the wrong distribution name
          (Reported by foobar in #revspace)
        - Improvement: Only try one reconnect per 5 seconds

1.11  Mon May 26 03:37 2014
        - Bug fix: Calculations for next ping were bad, resulting in ping flood
        - Bug fix: Avoid some Perl warnings under perl -w
        - Improvement: Emit warnings on stderr if connection failed
        - Improvement: Prevent possible infinite recursion

1.10  Mon May 26 02:11 2014
        - New: Support for MQTT subscriptions, with per-subscription handlers
        - New: Command line utility "mqtt-simple"
        - Improvement: Force reconnection after failed write to socket

1.01  Wed Apr 23 15:38 2014
        - Bug fix: $\ is now ignored (e.g. under perl -l)

1.00  Tue Apr 22 23:59 2014
        - Initial release