TODO

2017.06.03:
v Command line arguments: (2017.06.03)
	v Project alias (required)
	v Time (required)
	v Date (optional, format: 2017-01-31)
	v Description (optional)

- Handle failing responses from the server (show errors to the user)
- Config
	- A `--write-config` or similar option that generates and write a bare
	  config for users to use
	- Load the config from XDG

- Make `PasswordCmd` work