[web,modules,setup] More python 3 compatibility

Most modules should now work with Python 3.
Work is in progress to get the rest of them fixed.

admin.py

@@ -217,7 +217,3 @@ def save_config(bot, trigger):
     if not trigger.admin:
         return
     bot.config.save()
-
-
-if __name__ == '__main__':
-    print __doc__.strip()

calc.py

@@ -13,8 +13,11 @@
 from willie.module import commands, example
 from willie.tools import eval_equation
 from socket import timeout
-import string
-import HTMLParser
+import sys
+if sys.version_info.major < 3:
+    import HTMLParser
+else:
+    import html.parser as HTMLParser
 
 
 @commands('c', 'calc')
@@ -63,7 +66,7 @@ def wa(bot, trigger):
     except timeout as e:
         return bot.say('[WOLFRAM ERROR] Request timed out')
     if answer:
-        answer = answer.decode('string_escape')
+        answer = answer.decode('unicode_escape')
         answer = HTMLParser.HTMLParser().unescape(answer)
         # This might not work if there are more than one instance of escaped
         # unicode chars But so far I haven't seen any examples of such output
@@ -73,7 +76,7 @@ def wa(bot, trigger):
             char_code = match.group(1)
             char = unichr(int(char_code, 16))
             answer = answer.replace('\:' + char_code, char)
-        waOutputArray = string.split(answer, ";")
+        waOutputArray = answer.split(";")
         if(len(waOutputArray) < 2):
             if(answer.strip() == "Couldn't grab results from json stringified precioussss."):
                 # Answer isn't given in an IRC-able format, just link to it.

rss.py

@@ -395,7 +395,7 @@ def disable_feed():
 
         try:
             fp = feedparser.parse(feed.url, etag=feed.etag, modified=feed.modified)
-        except IOError, e:
+        except IOError as e:
             bot.debug(__file__, "Can't parse feed on {0}, disabling ({1})".format(
                 feed.name, str(e)), 'warning')
             disable_feed()

youtube.py

@@ -2,7 +2,7 @@
 """
 youtube.py - Willie YouTube Module
 Copyright 2012, Dimitri Molenaars, Tyrope.nl.
-Copyright © 2012-2013, Elad Alfassa, <[email protected]>
+Copyright © 2012-2014, Elad Alfassa, <[email protected]>
 Copyright 2012, Edward Powell, embolalia.net
 Licensed under the Eiffel Forum License 2.
 
@@ -15,8 +15,11 @@
 from willie.module import rule, commands, example
 import json
 import re
-from HTMLParser import HTMLParser
-
+import sys
+if sys.version_info.major < 3:
+    from HTMLParser import HTMLParser
+else:
+    from html.parser import HTMLParser
 
 def setup(bot):
     regex = re.compile('(youtube.com/watch\S*v=|youtu.be/)([\w-]+)')