And be it enacted, That in the Interpretation of this Act the Singular Number shall extend to several Persons and Things as well as to one Person or Thing; and any Word importing the Plural Number shall apply to one Person or Thing as well as to several Persons or Things; and every Word importing the Masculine Gender only shall extend to a Female as well as a Male; and the Word " Night" shall be considered and is hereby declared to commence at the Expiration of the first Hour after Sunset, and to conclude at the Beginning of the last Hour before Sunrise.