Cleanups and bugfixes on merge and clean handlers.
Cleanups and bugfixes on merge and clean handlers.

Documentation improvements.

princeofdarkness76/sial.org-scripts,princeofdarkness76/sial.org-scripts,thrig/scripts,princeofdarkness76/sial.org-scripts,thrig/scripts,princeofdarkness76/sial.org-scripts,thrig/scripts,thrig/scripts,thrig/scripts,princeofdarkness76/sial.org-scripts,thrig/scripts