CN - Changes to drv_timer.c to reduce time spent in the interrupt handler.
CN - Change so that the EXTI interrupt is cleared at the beginning of the handler rather than at the end.
CN - Changes to mixTable() so that some calculations of motor[] values are only performed if the device is armed. Previously the values were always calculated, and then overridden if the device was not armed.
CN - Ignore some Source Insight files.
CN - More files to ignore.