allows to specify a separator between pages
also use unbreakable spaces
Remove spaces. cf PR #43
Remove separator and replace it by common class name for all pages
Also remove spaces and add \n ;-)
remove use of the array and deal with a string as before
also keep unbreakable spaces on previous and next mark
Put &nbsp; on the right side of the &raquo;
Merge pull request #45 from vrcAlbert/master/chiba

Remove spaces & surround every page number by the same class
Merge branch 'master/chiba' into dev