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1. Files updated/added from 4.0 to 4.0.1
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admin/
 summary.php
 chklink.php
 setup.php
 fs_fields.php
 pay_plans.php
 tpl.php

inc/
 app_init.php
 class.fields.php 
 class.fields_lib.php
 class.tag_filter.php
 class.tpl_hawk.php
 class.user.php
 lib.inc.php
 settings.ini
 pay_plan.lib.php

inc/pages/
 account.php

tpl/
 allowed_html.txt
 user_reg_prepare.htm

tpl/admin/
 items_list.htm
 setup_ex_general.htm
 fs_fields_fields.txt
 tpl_nav.htm
 tpl_diagnostics.htm

modules/Extra_Pages/tpl/admin/
 ex_edit.htm

docs/
 .htaccess
 history.txt
 tables.sql

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2. New folders
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html_editor/

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3. Removed folders
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img/htmlarea/

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4. Restructured folders
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upgrades/