Stop data_thread for any and all callbacks.  Also, if an entry is found in the DB with the same name then add an option to append `try<i>`
Stop data_thread for any and all callbacks.  Also, if an entry is found
in the DB with the same name then add an option to append `try<i>`

JackKelly/neuralnilm,ml-lab/neuralnilm,mmottahedi/neuralnilm