REF: el.py -> vendored python package

[westurner]

el -- "edit lines" --> basically xargs with --each and Python str.format w/ shell quoting [TODO: repr adds a u'' to the front of [some versions of] [some] python3 strings]

[westurner]

el -- "edit lines" --> basically xargs with --each and Python str.format w/ shell quoting [TODO: repr adds a u'' to the front of [some versions of] [some] python3 strings]