Fix pastable

lib/acts_as_pasting.rb

@@ -3,7 +3,7 @@ require "acts_as_pasting/version"
 module ActsAsPasting
   require 'acts_as_pasting/errors'
   autoload :Pasted,     'acts_as_pasting/pasted'
-  autoload :Pasteable,  'acts_as_pasting/pasteable'
+  autoload :Pastable,  'acts_as_pasting/pastable'
   autoload :Pasting,    'acts_as_pasting/pasting'
 
   def self.table_name_prefix

lib/acts_as_pasting/pasteable.rb → lib/acts_as_pasting/pastable.rb

 module ActsAsPasting
-  module Pasteable
+  module Pastable
     extend ActiveSupport::Concern
 
     # 带 prefix 的 pasted_with，独立于不带 prefix 的之外