Wrap fs.statSync and fs.lstatSync

[freitagbr]

Fixes #745

Adds two new methods to src/common.js, common.statFollowLinks and common.statNoFollowLinks, which wrap fs.statSync and fs.lstatSync, respectively. This change is meant to improve readability and clarify intent.

[codecov-io]

Codecov Report

Merging #783 into master will increase coverage by <.01%.
The diff coverage is 93.33%.

@@            Coverage Diff            @@
##           master    #783      +/-   ##
=========================================
+ Coverage   95.39%   95.4%   +<.01%     
=========================================
  Files          33      33              
  Lines        1239    1241       +2     
=========================================
+ Hits         1182    1184       +2     
  Misses         57      57

Impacted Files	Coverage Δ
src/sort.js	96.96% <100%> (ø)	⬆️
src/uniq.js	100% <100%> (ø)	⬆️
src/test.js	95.23% <100%> (ø)	⬆️
src/common.js	98.33% <100%> (+0.03%)	⬆️
src/head.js	100% <100%> (ø)	⬆️
src/ln.js	96.87% <100%> (ø)	⬆️
src/cat.js	100% <100%> (ø)	⬆️
src/tempdir.js	100% <100%> (ø)	⬆️
src/touch.js	100% <100%> (ø)	⬆️
src/mv.js	97.77% <100%> (ø)	⬆️
... and 9 more

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[nfischer]

Any noticeable performance hit by adding an extra function call?

[freitagbr]

It's doubtful. I think V8 will just inline the functions anyway.