Merge pull request #8 from JulianHentea/54145901_about_hashes_master

Learned about Hashes

[Delivers #54145901]
Merge pull request #11 from JulianHentea/54145919_about_keyword_arguments_master

Learned about key arguments

[Delivers #54145919]
Learning about regex
  * That was a lot of stuff to remember
  * Good thing fro rubular
  * After 10 yrs I will remember half of them
Learned about constants
  * I was not aware there was a hierarchy in
    the constant world

[#54145923]
Approved by ason

Merge branch '54145913_about_regular_expressions_master'
Approved by Jason
Merge branch '54145923_about_constants_master'