first commit validate if string is empty return 0
validate number with comma delimeter
accept \n as delimeter
add custom delimiter
negative numbers not allowed
allow \n custom delimiter
Create README.md

First read me version with general description about dojos
first commit validate if string is empty return 0
validate number with comma delimeter
accept \n as delimeter
add custom delimiter
negative numbers not allowed
allow \n custom delimiter
Merge branch 'dojo-october-first'

Conflicts:
	README.md
delete ruby version
add gitignore
Merge pull request #1 from bernardogalindo/string_calculator

String calculator in Ruby, Berna, Eric and Nestor team