get_articles_from_issue
                        Scraping articles URLs from the ToC of OJS
                        issues
get_articles_from_search
                        Scraping OJS search results for a given
                        criteria to retrieve articles’ URL
get_galleys_from_article
                        Scraping galleys URLs from OJS articles
get_html_meta_from_article
                        Scraping metadata from the OJS articles HTML
get_issues_from_archive
                        Scraping issues’ URLs from the OJS issues
                        archive
get_oai_meta_from_article
                        Retrieving OAI records for OJS articles
parse_base_url          Parses urls against OJS routing conventions and
                        retrieves the base url
parse_oai_url           Parses urls against OJS routing conventions and
                        retrieves the OAI url
