[ENHANCEMENTS]

• Three new methods.
  
  • find_link() for finding a specified link
    
  • follow_link() for following a specified link
    
  • submit_form() for all-in-one form submission.
    All three owe a great deal to Uri Guttmann. Thanks, Uri!
    
• Split out the examples into WWW::Mechanize::Examples.pod
  
• Added t/back.t
  
• Documentation fixes from Abigail