Update Python documentation (3.6.1, 3.5.3, 2.7.13)

Fixes #563.

assets/javascripts/templates/pages/about_tmpl.coffee

@@ -461,7 +461,7 @@ credits = [
     'http://www.postgresql.org/about/licence/'
   ], [
     'Python',
-    '1990-2015 Python Software Foundation<br>Python is a trademark of the Python Software Foundation.',
+    '2001-2017 Python Software Foundation<br>Python is a trademark of the Python Software Foundation.',
     'PSFL',
     'https://docs.python.org/3/license.html'
   ], [

lib/docs/filters/sphinx/clean_html.rb

@@ -60,7 +60,7 @@ module Docs
           next unless node['id'] || node.at_css('code, .classifier')
           links = []
           links << node.children.last.remove while node.children.last.try(:name) == 'a'
-          node.inner_html = "<code>#{node.content.strip}</code> "
+          node.inner_html = "<code>#{CGI::escapeHTML(node.content.strip)}</code> "
           links.reverse_each { |link| node << link }
         end
 

lib/docs/scrapers/python.rb

@@ -2,6 +2,10 @@ module Docs
   class Python < FileScraper
     self.type = 'sphinx'
     self.root_path = 'library/index.html'
+    self.links = {
+      home: 'https://www.python.org/',
+      code: 'https://github.com/python/cpython'
+    }
 
     options[:only_patterns] = [/\Alibrary\//]
 
@@ -15,12 +19,12 @@ module Docs
       library/sunau.html)
 
     options[:attribution] = <<-HTML
-      &copy; 1990&ndash;2015 Python Software Foundation<br>
+      &copy; 2001&ndash;2017 Python Software Foundation<br>
       Licensed under the PSF License.
     HTML
 
     version '3.6' do
-      self.release = '3.6.0'
+      self.release = '3.6.1'
       self.dir = '/Users/Thibaut/DevDocs/Docs/Python36' # docs.python.org/3.6/download.html
       self.base_url = 'https://docs.python.org/3.6/'
 
@@ -28,7 +32,7 @@ module Docs
     end
 
     version '3.5' do
-      self.release = '3.5.2'
+      self.release = '3.5.3'
       self.dir = '/Users/Thibaut/DevDocs/Docs/Python35' # docs.python.org/3.5/download.html
       self.base_url = 'https://docs.python.org/3.5/'
 
@@ -36,7 +40,7 @@ module Docs
     end
 
     version '2.7' do
-      self.release = '2.7.12'
+      self.release = '2.7.13'
       self.dir = '/Users/Thibaut/DevDocs/Docs/Python27' # docs.python.org/2.7/download.html
       self.base_url = 'https://docs.python.org/2.7/'