title: warning: already initialized constant after installing tlsmail gem?
body: <p>After I installed the <code>tlsmail</code> <a href="https://stackoverflow.com/questions/5933969/getting-devise-1-3-4-to-send-emails-with-gmail-in-development">gem for email delivery to my gmail</a> account, these erros keep coming up every time I run a rake command: </p>
  
  <pre><code>c:/Ruby192/lib/ruby/gems/1.9.1/gems/tlsmail-0.0.1/lib/net/smtp.rb:806: warning: already initialized constant SMTPSession
  c:/Ruby192/lib/ruby/gems/1.9.1/gems/tlsmail-0.0.1/lib/net/pop.rb:687: warning: already initialized constant POP
  c:/Ruby192/lib/ruby/gems/1.9.1/gems/tlsmail-0.0.1/lib/net/pop.rb:688: warning: already initialized constant POPSession
  c:/Ruby192/lib/ruby/gems/1.9.1/gems/tlsmail-0.0.1/lib/net/pop.rb:689: warning: already initialized constant POP3Session
  c:/Ruby192/lib/ruby/gems/1.9.1/gems/tlsmail-0.0.1/lib/net/pop.rb:702: warning: already initialized constant APOPSession
  </code></pre>
  
  <p>How can I get rid of these warnings?</p>
  
  <hr>
  
  <pre><code>gem 'rails', '3.0.10'
  gem "rake", "0.8.7"
  gem "pg", "0.12.0"
  gem "cancan", "1.6.7"
  gem "geocoder", "1.0.5"
  gem "will_paginate", "3.0.2"
  gem "rails3-jquery-autocomplete"
  gem "jquery-rails", "1.0.19"
  gem "dynamic_form", "1.1.4"
  gem "devise", "1.5.3"
  gem "thin", "1.3.1"
  gem 'sunspot_rails', '1.2.1'
  gem "tlsmail"
  </code></pre>