Fixed total_results returning 0 when only a single publication exists.

Author: keko24

scholarly/publication_parser.py

@@ -70,7 +70,7 @@ def _get_total_results(self):
             match = re.match(pattern=r'(^|\s*About)\s*([0-9,\.\s’]+)', string=x.text)
             if match:
                 return int(re.sub(pattern=r'[,\.\s’]',repl='', string=match.group(2)))
-        return 0
+        return len(self._rows)
 
     # Iterator protocol