Adafruit-circuitpython-circuitplayground

Small fix to make Express init on 2.1.0 when set_tap isn't available. Thanks to [smolz](https://forums.adafruit.com/viewtopic.php?f=60&t=128136&p=638252#p638252) on the forum for the report.

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle/releases) or the zip from here that matches the version of CircuitPython you are using.

Read the [docs](https://circuitpython.readthedocs.io/projects/circuitplayground/en/latest/adafruit_circuitplayground/index.html) for info and examples.

Added double-tap capability with `double_tap`. It requires CircuitPython 2.2.0 (currently available as [2.2.l0rc1](https://github.com/adafruit/circuitpython/releases/tag/2.2.0-rc1)) or newer.

Thanks to tannewt for helping!

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle/releases) or the zip from here that matches the version of CircuitPython you are using.

Read the [docs](https://circuitpython.readthedocs.io/projects/circuitplayground/en/latest/adafruit_circuitplayground/index.html) for info and examples.

Added the ability to change touch threshold for projects where the pads or attached items are too sensitive.

Thanks to tannewt and dhalbert for their help!

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle/releases) or the zip from here that matches the version of CircuitPython you are using.

Read the [docs](https://circuitpython.readthedocs.io/projects/circuitplayground/en/latest/README.html) for info and examples.

kattni added shake detection support with `shake()`. It requires CircuitPython 2.2.0 (which will be released soon) or newer.

The library will also prefer loading frozen versions of its dependencies to save memory.

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle/releases) or the zip from here that matches the version of CircuitPython you are using.

Read the [docs](https://circuitpython.readthedocs.io/projects/circuitplayground/en/latest/adafruit_circuitplayground/index.html) for info and examples.

* Added support for `play_file`. Thanks kattni!

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

Read the [docs](https://circuitpython.readthedocs.io/projects/circuitplayground/en/latest/adafruit_circuitplayground/index.html) for info and examples.

* Added support for touch, `play_tone`, `start_tone`, `stop_tone`, acceleration.
* Library is now imported as: `from adafruit_circuitplayground.express import cpx`
* Docs and examples updated.

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

Read the [docs](https://circuitpython.readthedocs.io/projects/circuitplayground/en/latest/adafruit_circuitplayground/index.html) for info and examples.