Port to Drupal 6

Issue Summary

Hi, it'd be great to have this module for drupal 6 :)

I went ahead and used coder module on this, here are the results:

• Line 10: New syntax for .info files files requires core=6.x

  severity: critical -> http://drupal.org/node/114774#info

• Line 18: The arguments to hook_help() have changed (Drupal Docs)

  function soap_server_help($section) {

  Explanation: Change the first two lines to function yourmodule_help($path, $arg) { switch ($path) { ....

  severity: critical -> http://drupal.org/node/114774#hook-help && http://api.drupal.org/api/function/hook_help/6

• Line 29: The menu system has been completely over-hauled in 6.x. (Drupal Docs)

  $items[] = array(

  severity: critical -> http://drupal.org/node/103114

• Line 31: Menu item titles and descriptions should now no longer be wrapped in t() calls. (Drupal Docs)

  'title' => t('SOAP Server'),

  severity: critical -> http://drupal.org/node/140311

• Line 35: Menu item titles and descriptions should now no longer be wrapped in t() calls. (Drupal Docs)

  'description' => t('Configure the SOAP server.'),

  severity: critical -> http://drupal.org/node/140311

Im not a developer myself, but I can help testing and the rest.