Merge branch 'new-uart-circ'

groundStation/src/backend/commands.c

quad/scripts/#send_raw.py#

quad/scripts/send_raw.py

quad/scripts/send_raw.sh

quad/scripts/setup_usb_uart.sh

quad/scripts/stress_tests.py

quad/scripts/test_uart_comm.py

quad/scripts/test_uart_comm.py~

quad/scripts/uart_comm_listen.py

quad/scripts/uart_comm_send.py

quad/sw/modular_quad_pid/.cproject

quad/sw/modular_quad_pid/src/callbacks.c

quad/sw/modular_quad_pid/src/callbacks.h

quad/sw/modular_quad_pid/src/cb_default.h

quad/sw/modular_quad_pid/src/commands.c

quad/sw/modular_quad_pid/src/commands.c

quad/sw/modular_quad_pid/src/commands.h

quad/sw/modular_quad_pid/src/commands.h

quad/sw/modular_quad_pid/src/communication.c

quad/sw/modular_quad_pid/src/communication.h