add channel_bool_prop and channel_label_prop to strip/bus
self.identifier in strip bus now returning only class name
add psuedo decorators cache_bool and cache_string to util.
fix bug with cache
todo. add to cache on multi-set
add login, logout functions to base class.
add caching to setters and fetch caching to getters.
add isdirty function to rt packet dataclass for defining dirty flag.
remove sync kwarg.