Gnumeric 1.12.53 Morten: * Fix xlsx import of T.INV. * Fix inter-process array paste problem. [#634] * Fix problem with xlsx number format 14. * Fix problems with complex number rendering. [#638] * Fix near-denormal parsing case. [#656] * Fix mildly crazy ROUND edge cases. [#661] * Fix dialog reuse problem. [#657] * Fix sc import problem. [#663] * Work a little hard at avoiding -0. [#652] * Fix html import problem. [#669] * Fix reading localc extension for engineering format. [#659] * Fix strict-conformance ods problem with E-notation. [#672] * Improve test suite --------------------------------------------------------------------------