Support -and as a synonym for -a

[tavianator]

No description provided.

[codecov]

Codecov Report

Merging #145 (f04d297) into main (7ffd5f8) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #145   +/-   ##
=======================================
  Coverage   52.88%   52.88%           
=======================================
  Files          24       24           
  Lines        4714     4714           
  Branches     1538     1536    -2     
=======================================
  Hits         2493     2493           
  Misses       1684     1684           
  Partials      537      537           

Impacted Files	Coverage Δ
src/find/matchers/mod.rs	64.28% <100.00%> (ø)
src/xargs/mod.rs	79.79% <0.00%> (-0.52%)	⬇️
src/lib.rs	35.91% <0.00%> (+0.07%)	⬆️

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[tavianator]

GNU:

Changes from main: PASS +4 / FAIL -8 / ERROR +0 / SKIP +0 

bfs:

Changes from main: PASS +1 / FAIL -1