update kotlin version to 1.3.41 (#1023)

update kotlin version to 1.3.41

Co-authored-by: Jasper van Merle <jaspervmerle@gmail.com>

lib/docs/filters/kotlin/clean_html.rb

@@ -46,6 +46,13 @@ module Docs
           parent.content = parent.content
           parent['data-language'] = 'kotlin'
         end
+
+        css('.tags').each do |wrapper|
+          platforms = wrapper.css('.platform:not(.tag-value-Common)').to_a
+          platforms = platforms.map { |node| "#{node.content} (#{node['data-tag-version']})" }
+          platforms = "<b>Platform and version requirements:</b> #{platforms.join ", "}"
+          wrapper.replace(platforms)
+        end
       end
     end
   end

lib/docs/filters/kotlin/entries.rb

@@ -5,7 +5,9 @@ module Docs
         if subpath.start_with?('api')
           breadcrumbs[1..-1].join('.')
         else
-          (at_css('h1') || at_css('h2')).content
+          node = (at_css('h1') || at_css('h2'))
+          return node.content unless node.nil?
+          subpath[/\/([a-z0-9_-]+)\./][1..-2].titleize.sub('Faq', 'FAQ')
         end
       end
 

lib/docs/scrapers/kotlin.rb

@@ -1,7 +1,7 @@
 module Docs
   class Kotlin < UrlScraper
     self.type = 'kotlin'
-    self.release = '1.2.41'
+    self.release = '1.3.41'
     self.base_url = 'https://kotlinlang.org/'
     self.root_path = 'api/latest/jvm/stdlib/index.html'
     self.links = {
@@ -22,10 +22,18 @@ module Docs
       docs/events.html
       docs/resources.html
       docs/reference/grammar.html)
-    options[:replace_paths] = { 'api/latest/jvm/stdlib/' => 'api/latest/jvm/stdlib/index.html' }
+    options[:replace_paths] = {
+      'api/latest/jvm/stdlib/' => 'api/latest/jvm/stdlib/index.html',
+      'docs/reference/coroutines.html' => 'docs/reference/coroutines-overview.html',
+      'api/latest/jvm/stdlib/kotlin/fold.html' => 'api/latest/jvm/stdlib/kotlin.collections/fold.html',
+      'api/latest/jvm/stdlib/kotlin/get-or-else.html' => 'api/latest/jvm/stdlib/kotlin.collections/get-or-else.html',
+      'api/latest/jvm/stdlib/kotlin/map.html' => 'api/latest/jvm/stdlib/kotlin.collections/map.html',
+      'docs/tutorials/native/targeting-multiple-platforms.html' => 'docs/tutorials/native/basic-kotlin-native-app.html',
+      'api/latest/jvm/stdlib/kotlin/-throwable/print-stack-trace.html' => 'api/latest/jvm/stdlib/kotlin/print-stack-trace.html',
+    }
 
     options[:attribution] = <<-HTML
-      &copy; 2010&ndash;2018 JetBrains s.r.o.<br>
+      &copy; 2010&ndash;2019 JetBrains s.r.o.<br>
       Licensed under the Apache License, Version 2.0.
     HTML