Preserve file permissions across rename. Code cleanups and documentation.
Preserve file permissions across rename. Code cleanups and documentation.

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