BUG: phpBB lists not properly converted

bbcode-to-md happily ignores all phpBB's lists. The list syntax is
    [list][*]item 1
    [*]item 2
    [/list]
and 
    [list=1][*]item 1
    [*]item 2
    [/list]
respectively for [ul] and [ol]s. Luckily, phpBB adds closing tags for [*] items. My workaround simply converts phpBBs lists into bbcode using [ul] and [ol] which then can be converted by the standard bbcode-to-md code.

script/import_scripts/phpbb3.rb

@@ -306,6 +306,12 @@ class ImportScripts::PhpBB3 < ImportScripts::Base
     s.gsub!(internal_url_regexp) do |phpbb_link|
       replace_internal_link(phpbb_link, $1, import_id)
     end
+    # convert list tags to ul and list=1 tags to ol
+    # (basically, we're only missing list=a here...)
+    s.gsub!(/\[list\](.*?)\[\/list:u\]/m, '[ul]\1[/ul]')
+    s.gsub!(/\[list=1\](.*?)\[\/list:o\]/m, '[ol]\1[/ol]')
+    # convert *-tags to li-tags so bbcode-to-md can do its magic on phpBB's lists:
+    s.gsub!(/\[\*\](.*?)\[\/\*:m\]/, '[li]\1[/li]')
     
     s
   end