relToAbsLink (  string relativeLink , string base  )  : string
Return the absolute link in a page based on a relative link. Ex: http://www.site.com/brand/vuitton.html.
	
Example
absoluteLink = relToAbsLink("activites.php", "https://www.idia-tech.com") //-> https://www.idia-tech.com/activites.phpParameters
relativeLink
 ex: /brand/vuitton.html 
							base
 ex: http://www.site.com/index.php 
							