Merge pull request #377 from Leprevost/main

new article: if
add original
make article live
shorten path to fit in screen
shorten lines
event shorter path
add link to install perl modules
descriptions and new article about Getopt::Long
fix link
remove .html
new article
make it live
new draft
argument isn't numberic published
Fix some spelling errors
Merge pull request #378 from ctreptow/patch-1

Fix some spelling errors
Minor spelling corrections to argument-isnt-numeric-in-numeric
Merge pull request #379 from lejeunerenard/numeric-sp-fixes

Minor spelling corrections to argument-isnt-numeric-in-numeric
compiling perl - show
skip tests