Adafruit-circuitpython-minimqtt

Updated `is_connected()` to return `True` or `False` depending on connection status, and no longer raises an exception if not connected. This is an API breaking change.

To use in CircuitPython, simply install the [Adafruit CircuitPython Bundle](https://circuitpython.org/libraries).

To use in CPython, `pip3 install adafruit-circuitpython-minimqtt`.

Read the [docs](http://circuitpython.readthedocs.io/projects/minimqtt/en/latest/) for info on how to use it.

This release fixes an issue that resulted in `timeout` argument being effectively ignored. It also changes the `loop` behavior to have callbacks for all messages in the queue rather than just the first one in the queue. Thank you calcut

To use in CircuitPython, simply install the [Adafruit CircuitPython Bundle](https://circuitpython.org/libraries).

To use in CPython, `pip3 install adafruit-circuitpython-minimqtt`.

Read the [docs](http://circuitpython.readthedocs.io/projects/minimqtt/en/latest/) for info on how to use it.

To use in CircuitPython, simply install the [Adafruit CircuitPython Bundle](https://circuitpython.org/libraries).

To use in CPython, `pip3 install adafruit-circuitpython-minimqtt`.

Read the [docs](http://circuitpython.readthedocs.io/projects/minimqtt/en/latest/) for info on how to use it.

Made the number of connect retries configurable upon initialization. Thanks vladak!

To use in CircuitPython, simply install the [Adafruit CircuitPython Bundle](https://circuitpython.org/libraries).

To use in CPython, `pip3 install adafruit-circuitpython-minimqtt`.

Read the [docs](http://circuitpython.readthedocs.io/projects/minimqtt/en/latest/) for info on how to use it.

To use in CircuitPython, simply install the [Adafruit CircuitPython Bundle](https://circuitpython.org/libraries).

To use in CPython, `pip3 install adafruit-circuitpython-minimqtt`.

Read the [docs](http://circuitpython.readthedocs.io/projects/minimqtt/en/latest/) for info on how to use it.

To use in CircuitPython, simply install the [Adafruit CircuitPython Bundle](https://circuitpython.org/libraries).

To use in CPython, `pip3 install adafruit-circuitpython-minimqtt`.

Read the [docs](http://circuitpython.readthedocs.io/projects/minimqtt/en/latest/) for info on how to use it.