Use regex to remove . or , in public access

PR #415 fixed #414 only partially. The separator can be either . or ,
depending on the local convention of the country.

Author: arunkannawadi

scholarly/author_parser.py

@@ -132,9 +132,9 @@ def _fill_public_access(self, soup, author):
         not_available = soup.find('div', class_='gsc_rsb_m_na')
         n_available, n_not_available = 0, 0
         if available:
-            n_available = int(available.text.split(" ")[0].replace(",", ""))
+            n_available = int(re.sub("[.,]", "", available.text.split(" ")[0]))
         if not_available:
-            n_not_available = int(not_available.text.split(" ")[0].replace(",", ""))
+            n_not_available = int(re.sub("[.,]", "", not_available.text.split(" ")[0]))
 
         author["public_access"] = PublicAccess(available=n_available,
                                                not_available=n_not_available)