(case involves battle over assets to be included in decedent’s estate; heirs claim that additional assets should be included in estate and that surviving spouse should not have permitted surviving spouse to claim the homestead and spousal allowances due to lack of need; court ruled that surviving spouse co-owned contested farm equipment and cattle with decedent, had sole interest in leases as sole owner of farm property, and that surviving spouse was entitled to farmstead allowance and deserved spousal allowance under Kansas law).