Made -c option optional, and improved preferences handling to allow loading from additional sources (command line, standard input).
Made -c option optional, and improved preferences handling to allow
loading from additional sources (command line, standard input).

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