Prosecutions for gross misdemeanors may be commenced within two years after their commission; and for all other offenses, within one year after their commission; provided, that any length of time during which the party charged was not usually and publicly resident within this state shall not be reckoned within the one or two years respectively; and further provided, that where a complaint or citation has been filed, within the time limited for the commencement of a criminal action, if the complaint or citation be set aside, the time of limitations shall be extended by the length of time from the time of filing of such complaint or citation, to the time such complaint or citation was set aside. (Ord. 1145-85 § 8, 1985.)