Change StringPStream to use an array of characters rather than a string.
Change StringPStream to use an array of characters rather than a string.

foam-framework/foam2,foam-framework/foam2,jacksonic/vjlofvhjfgm,jacksonic/vjlofvhjfgm,jacksonic/vjlofvhjfgm,foam-framework/foam2,foam-framework/foam2,foam-framework/foam2