(1) Specific property stated in the certificate as contributed by him, but which was not contributed or which has been wrongfully returned, and (2) Moneyor other propertywrongfully paid or conveyed to him on account of his contribution. The liabilitiesof a limited partneras set forth in this article can be waived or compromised only by the consentof all members but a waiver or compromise shall not affect the right of a creditor of a partnership who extended credit or whose claim arose after the filling and before a cancellation or amendment of the certificate, to enforce such liabilities When a contributor has rightfully received the returnin whole or in part of the capital of his contribution he is nevertheless iable to the partnership for any sum, not in excess of such return with interest, necessary to discharge its liabilities to all creditors who extended credit or whose claims arose before such retum