Current outstanding questions / topics #

1. how does vpi work
2. how does cocotb connect to the simulator
3. is it possible to connect a debugger to the compiled libraries?
4. how simulation time advances and how variables are set from python -> simulator
5. how does the cocotb scheduler work

possible bugs / confusing code #

1. GpiCommon.cpp: why can you register multiple implementations in gpi_register_impl when all the code is setup to access only the first thing in the vector registered_impls[0]->