Fix sweep example

Fix AD9833.wave_type class property spelling in sweep example.

Add Raw Wave Frequency Property

2.1.2

add raw frequency property; update docs

Update Frequency Parameter Type to Floating-Point

2.1.1

update docs; change frequency to floating point value

Improve Control Register Functionality

Separated the reset sequence from other control register operations to improve reliability of commands such as Sleep1 (clock stop pause).

Remove SPI default pin settings

2.0.1

remove SPI pin defaults

Change UI to Allow SPI Bus Specification

... to accomodate using other than a board's default SPI pins.

remove "v" from version tag; circup compatibility issue?

1.0.0

update docs

Initial Release

v1.0.0

initial repo load