Package just

#24 (closed), #30 (closed)

just 1.4.0

• New deps: lexiclean 0.0.1, target 2.0.0
• Updated deps: strum 0.24.1, strum_macros 0.24.3
• New dev deps: temptree 0.2.0, executable-path 1.0.0, lexiclean 0.0.1

All deps are lib crates; all packages packed and tested locally.

Some details need to be fixed.