cfe_state should be initialized upon instantiation of cfe_py

[jmframe]

Currently, there is no initialization of the cfe_state when cfe_py is initialized:

cfe_py/cfe.py

Line 9 in 1a06f49

def __init__(self):

We want to have that state dictionary be initialized when cfe_py is initialized, and the cfe_state dictionary should follow the same structure of the OWP cfe code: https://github.com/NOAA-OWP/cfe/blob/012ffbb79e47c225ba529764118333c4847c4678/src/cfe.c#L9

@ziyuli22