Adafruit-circuitpython-wiznet5k

This release fixes socket.close() behavior by ensuring that other socket operations will no longer work after the socket was closed. Thank you BiffoBear!

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

To use in CPython, `pip3 install adafruit-circuitpython-wiznet5k`.

Read the [docs](http://circuitpython.readthedocs.io/projects/wiznet5k/en/latest/) for info on how to use it.

This release refactors the wiznet_socket to be a closer match to it's CPython counterpart. There are a few backwards incompatibilities in cases where the API of this library differed from CPython. Although largely the functionality remains the same externally. Thank you BiffoBear!

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

To use in CPython, `pip3 install adafruit-circuitpython-wiznet5k`.

Read the [docs](http://circuitpython.readthedocs.io/projects/wiznet5k/en/latest/) for info on how to use it.

This release contains a fix for the simpleserver example to allow it to receive more than one connection and message. A CPYthon client example that works with simpleserver has been added as well. Thank you e28eta

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

To use in CPython, `pip3 install adafruit-circuitpython-wiznet5k`.

Read the [docs](http://circuitpython.readthedocs.io/projects/wiznet5k/en/latest/) for info on how to use it.

This release has refactored the CNAME lookup code and resolved issues with looking up certain types of domains. Thank you BiffoBear!

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

To use in CPython, `pip3 install adafruit-circuitpython-wiznet5k`.

Read the [docs](http://circuitpython.readthedocs.io/projects/wiznet5k/en/latest/) for info on how to use it.

This release fixes an issue that resulted in an infinite loop when using the NTP module in the library.

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

To use in CPython, `pip3 install adafruit-circuitpython-wiznet5k`.

Read the [docs](http://circuitpython.readthedocs.io/projects/wiznet5k/en/latest/) for info on how to use it.

This release renamed several constant variables to have a leading underscore so they can be optimized further by mpycross and other tool. Thank you BiffoBear

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

To use in CPython, `pip3 install adafruit-circuitpython-wiznet5k`.

Read the [docs](http://circuitpython.readthedocs.io/projects/wiznet5k/en/latest/) for info on how to use it.