fix for tag blacklists, typo fixes

app/models/post.rb

@@ -595,6 +595,11 @@ class Post < ActiveRecord::Base
     
     def fast_count(tags = "")
       tags = tags.to_s.strip
+      
+      if tags.blank?
+        return Danbooru.config.blank_tag_search_fast_count || 1_000_000
+      end
+      
       count = get_count_from_cache(tags)
       if count.nil?
         if tags.blank? && Danbooru.config.blank_tag_search_fast_count

app/models/user.rb

@@ -219,7 +219,7 @@ class User < ActiveRecord::Base
         return {
           "Member" => Levels::MEMBER,
           "Privileged" => Levels::PRIVILEGED,
-          "Builder" => Levels::BUIDLER,
+          "Builder" => Levels::BUILDER,
           "Contributor" => Levels::CONTRIBUTOR,
           "Janitor" => Levels::JANITOR,
           "Moderator" => Levels::MODERATOR,