title: rake db:migrate:up version error
body: <p>I have created a model with refund with integer, string
  And when i am trying to migrate this new table i am getting following error.</p>
  
  <pre><code>rake db:migrate:up VERSION=20130806144409
  
  
  
  rake aborted!
  No migration with version number 20130806144409
  /home/vagrant/.rvm/gems/ruby-1.9.3-p448/gems/activerecord-3.2.13/lib/active_record/migration.rb:677:in `run'
  /home/vagrant/.rvm/gems/ruby-1.9.3-p448/gems/activerecord-3.2.13/lib/active_record/migration.rb:578:in `run'
  /home/vagrant/.rvm/gems/ruby-1.9.3-p448/gems/activerecord-3.2.13/lib/active_record/railties/databases.rake:230:in `block (3 levels) in &lt;top (required)&gt;'
  /home/vagrant/.rvm/gems/ruby-1.9.3-p448/bin/ruby_noexec_wrapper:14:in `eval'
  /home/vagrant/.rvm/gems/ruby-1.9.3-p448/bin/ruby_noexec_wrapper:14:in `&lt;main&gt;'
  Tasks: TOP =&gt; db:migrate:up
  </code></pre>
  
  <p>my migration file name <code>20130806144409_create_refunds.rb</code></p>
  
  <p>and this is the content in it</p>
  
  <pre><code>class CreateRefunds &lt; ActiveRecord::Migration
    def change
      create_table :refunds do |t|
        t.integer :job_id
        t.integer :customer_id
        t.integer :amount
  
        t.timestamps
      end
    end
  end
  </code></pre>