0.4.3 snapshot 0

Developmental snapshot of STM32L & SPIRIT1 port, including HICCULP
kernel implementation.
0.4.3 snapshot 2

Continued development on STM32L + SPIRIT1 port
0.4.3 snapshot 3

Buildable
0.4.3 snapshot 4

Things are beginning to work for STM32L + SPIRIT1 platform
0.4.3 snapshot 5

Spirit1 radio driver debugging
0.4.3 snapshot 6
0.4.3 snapshot 7

SPIRIT1 FTW
0.4.3 snapshot 8

Champagne almost ready: STOP mode scheduling works.
0.4.3 snapshot 9

More stuff for HayTag & STM32L
0.4.3 snapshot 10

Updates to MPIPE
0.4.3 snapshot 11

Bug fixes to timer and UART, TIM9-debug mode added, New boards added.
0.4.3 snapshot 12

Some fixes, plus multispeed clocking, plus some improvement on getting
USB to work
Update .gitignore
0.4.3 snapshot 13

USB and clocking fixes, but incomplete
0.4.3 Snapshot 14

Improved support for IKR001, USB still doesn't work
0.4.3 snapshot 15

Project fixes
0.4.3 Snapshot 15

sync word implementation fix
0.4.3 Snapshot 16

Spirit1 RF driver tuning
0.4.3 snapshot 17

Background RX and TX seems to be working
0.4.3 snapshot 18

More SPIRIT1 driver bug fixes & improvements