A vindication of the imprisoned and secluded Members of the House of Commons [electronic resource] : from the aspersions cast upon them, and the majority of the House, in a paper lately printed and published: intituled, An humble answer of the Generall Councel of the officers of the Army under his Excellency Thomas Lord Fairfax, to the demands of the Honourable Commons of England in Parliament assembled: concerning the late securing or secluding some Members thereof