SOMEWHAT MAJOR: Make wiki parser more reliable

Change the parser so that it looks for the first-from-last 'pre' tag
instead of the second. This makes it more reliable because there is much
less of a chance that a code box is placed under the list than above it.

archmap.py

@@ -83,7 +83,7 @@ def get_users(url='https://wiki.archlinux.org/index.php/ArchMap/List', local='')
 
     # Grab the user data between the second set of <pre> tags.
     soup = BeautifulSoup(wiki_source, 'html.parser')
-    wiki_text = soup.find_all('pre')[1].text.strip()
+    wiki_text = soup.find_all('pre')[-1].text.strip()
 
     return wiki_text