add: config methods to api - get_config_path - returns path to config file - read_config - read the config or one config key - write_config - write the config or one config key
add: config methods to api
- get_config_path - returns path to config file
- read_config - read the config or one config key
- write_config - write the config or one config key

cpenv/cpenv,cpenv/cpenv