ConfigDir returns the directory the configuration file is stored in.

LegacyLoadFromReader is a convenience function that creates a ConfigFile object from a non-nested reader.

Load reads the configuration files in the given directory, and sets up the auth config information and returns values.

LoadFromReader is a convenience function that creates a ConfigFile object from a reader.

NewConfigFile initializes an empty configuration file for the given filename 'fn'.

SetConfigDir sets the directory the configuration file is stored in.

ConfigFileName is the name of config file.