* fix unregister api for gpio
* consumers
* guard with a critical section
* index
* guard less
* unregister under lock
* fix reinit
* dead flag
* fix most tests
* initialize properly
* initialize properly
* assertions in tests
* fix message
* move gpio mocking
* test gpios
* we must lock earlier to be truly safe
* this was using huge memory
* devirtualize
* test deinit
Matthew Kennedy