egf_config is a dynamic configuration files loader.
Currently supports converting configuration files to ets table, generating event
handlers through configuration, and generating timers through configuration
egf_config:load_file/1
egf_config:load_dir/1, egf_config:load_dir/2
egf_config:add_dir/1
egf_config:set_interval/1
egf_config:set_suffix/1