#11 Webpage finished
#11 fixed webpage class
#12 Added best/worst article/s
#12 controversional, exception tested manually but the test failed with => NameError: uninitialized constant WebPage::NoArticlesFound
#13 Method vote
#13 Added author variables
#13 fixed exception
#14 added search
#13 Fixed the warning due to exception class outsid of the class
Merge branch 'web_page'

I've finished!!!