This release:

• multiplies XOSC_DELAY by 64 for the RP2040 and RP2350 in an effort to resolve the reliability problems seen by some on the PicoCalc.
• eliminates garbage left on the stack by pio:::pio.
• modifies dma::DREQ_PIO_TX and dma::DREQ_PIO_RX so they can take pio::PIO0, pio::PIO1, and on the RP2350 pio::PIO2 in addition to indices 0, 1, and 2 for the PIO block for the sake of consistency with other PIO words.