LoadConfigOnDemand loads config if present.

NewDiff returns a *Diff.

CmdAdd helps user to add entry to password db.

CmdCreatedb creates password db.

CmdDiff runs diff between 2 passward dbs.

CmdGenerateSampleConfig generate a sample config.

CmdLs lists entries from a db.

Note: credsFile used by cmds: [ add, create ] credsFile = "./tmp/master-db.creds".