* src/ : rename some methods on Entry (SetXxx, InsertXxx) to have a better

   * src/ : rename some methods on Entry (SetXxx, InsertXxx) to have a better
     use with python. Some methods ard moved from Document to ElementSet or
     DocEntrySet. The equivalent methods to ElementSet have been added to
     SQItem and are virtual in DocEntrySet. Methods that may have the same code
     in SQItem and ElementSet is directly placed in DocEntrySet
   -- BeNours