v0.2.1

PiGPIO v0.2.1

Diff since v0.2.0

Merged pull requests:

• Update pi.jl (#16) (@piotrek124-1)
• Fix to rxbuf reader (#21) (@TheCedarPrince)

Closed issues:

• function Base.run must be explicitly imported to be extended (#3)
• InexactError when using set_mode (#13)
• Bug at pi.jl (#14)
• [BUG] Cannot Open SPI Interface (#18)
• [BUG] spi_xfer Currently Fails (#19)