rc - Byron Rakitzis' rc(1) port, with a few modifications

Age	Commit message (Expand)	Author
2019-12-06	Fix command completion of absolute paths	Bert Münnich
2018-12-29	Prevent duplicate lines in readline history	Bert Münnich
2018-05-01	implement quoting for command completion	Toby Goodwin
2018-05-01	quoting functions mean filename completion mostly works for names containing "'"	Toby Goodwin
2018-04-29	minor cleanups	Toby Goodwin
2018-04-28	support completion through subdirs of path	Toby Goodwin
2018-04-28	check access of external commands when completing	Toby Goodwin
2018-04-28	eliminate goto... clearer?	Toby Goodwin
2018-04-26	Always insert single match of explicit complete function	Bert Münnich
2018-04-26	Custom readline commands for explicit completions	Bert Münnich
2018-04-26	Completion of command names and variables	Bert Münnich
2017-06-23	fix for github #32 readline loses track of term size	Toby Goodwin
2015-11-28	Restore signal handlers when catching signals in edit_alloc()	Bert Münnich
2015-05-16	Revert "readline completion: now mainly working" (moved to branch)	Toby Goodwin
2015-05-16	readline completion: now mainly working	Toby Goodwin
2015-05-16	edit shims: better naming, editline and vrl added	Toby Goodwin