Adafruit-circuitpython-esp32spi

This release fixes headers not being cleared between requests.

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip3 install adafruit-circuitpython-esp32spi`.

Read the [docs](http://circuitpython.readthedocs.io/projects/esp32spi/en/latest/) for info on how to use it.

Numeric timezones were causing PyPortal to crash in some demos, and this change will fix it for now.

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip3 install adafruit-circuitpython-esp32spi`.

Read the [docs](http://circuitpython.readthedocs.io/projects/esp32spi/en/latest/) for info on how to use it.

WiFi Manager now allows getting IP address and RSSI. Thanks brentru.

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip3 install adafruit-circuitpython-esp32spi`.

Read the [docs](http://circuitpython.readthedocs.io/projects/esp32spi/en/latest/) for info on how to use it.

This release allows usage of the DotStar in the WiFi Manager. All examples have been updated to reflect the change.

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip3 install adafruit-circuitpython-esp32spi`.

Read the [docs](http://circuitpython.readthedocs.io/projects/esp32spi/en/latest/) for info on how to use it.

change name of file with keys/passwords to secrets.py
add localtime demo

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip3 install adafruit-circuitpython-esp32spi`.

Read the [docs](http://circuitpython.readthedocs.io/projects/esp32spi/en/latest/) for info on how to use it.

Library now handles importing of either ujson or json. Thanks dhalbert.

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip3 install adafruit-circuitpython-esp32spi`.

Read the [docs](http://circuitpython.readthedocs.io/projects/esp32spi/en/latest/) for info on how to use it.