modified:   README.md

	Updated briefly regarding the changes made.

	modified:   src/MinimalisticTelnet/TelnetInterface.cs

	Added setter/getter methods for the default timeout value;

	PasswordOnlyLogin() added for devices without user names;

	HPGenericLogin() added for handling a variety of logins on
	HP switch gear;

	HPLogout() added for providing a quick logout feature for
	HP switches;

	ReadUntilString() added for reading until a string you're
	searching for is found;