Updated to incorporate similar changes to those made in release v4.13.1, except for change log and version information updates.
This update is based on, and is similar to, those made at revisions r4747 to r4749 and r4751 to r4752.
** Do not include this update in v5 change log - it is recorded as part of v4.13.1.
Authored by: delphidabbler 2015-09-30
Parent: [r4757]
Child: [r4759]