This documents the change of filestructure between version 0.7 and 0.8:

Where functions from serendipity_config.inc.php went to:
------------------------------------------------------------------------
./include/functions_comments.inc.php
    * serendipity_rememberComment() {
    * serendipity_rememberCommentDetails()
    * serendipity_forgetCommentDetails()
    * serendipity_displayCommentForm()
    * serendipity_fetchComments()
    * serendipity_generateCommentList()
    * serendipity_printComments()
    * serendipity_deleteComment()
    * serendipity_allowCommentsToggle()
    * serendipity_approveComment()
    * serendipity_saveComment()
    * serendipity_mailSubscribers()
    * serendipity_cancelSubscription()
    * serendipity_sendComment()

./include/functions_trackbacks.inc.php
    * serendipity_fetchTrackbacks()
    * serendipity_printTrackbacks()
    * serendipity_trackback_is_success()
    * serendipity_pingback_autodiscover()
    * _serendipity_send()
    * serendipity_trackback_autodiscover()
    * serendipity_reference_autodiscover()
    * add_trackback()
    * add_pingback()
    * serendipity_trackback_excerpt()
    * report_trackback_success()
    * report_trackback_failure()
    * report_pingback_success()
    * report_pingback_failure()
    * serendipity_handle_references()

./include/functions_smarty.inc.php
    * serendipity_smarty_fetch()
    * serendipity_emptyPrefix()
    * serendipity_smarty_hookPlugin()
    * serendipity_smarty_printSidebar()
    * serendipity_smarty_getFile()
    * serendipity_smarty_formatTime()
    * serendipity_smarty_printComments()
    * serendipity_smarty_printTrackbacks()

./include/functions_entries.inc.php
    * serendipity_fetchCategoryRange()
    * serendipity_fetchCategoryInfo()
    * serendipity_fetchEntryCategories()
    * serendipity_fetchEntries()
    * serendipity_fetchEntry()
    * serendipity_fetchEntryProperties()
    * serendipity_fetchCategories()
    * serendipity_rebuildCategoryTree()
    * serendipity_searchEntries()
    * serendipity_printEntryFooter()
    * serendipity_getTotalEntries()
    * serendipity_printEntries()
    * serendipity_printEntries_rss()
    * serendipity_purgeEntry()
    * serendipity_updertEntry()
    * serendipity_deleteEntry()
    * serendipity_generateCategoryList()
    * serendipity_printEntryForm()
    * serendipity_emit_htmlarea_code()
    * serendipity_updateEntryCategories()
    * serendipity_printArchives()

./include/functions.inc.php (remaining)
    * serendipity_truncateString()
    * serendipity_formatTime()
    * serendipity_logout()
    * serendipity_login()
    * serendipity_userLoggedIn()
    * serendipity_fetchTemplates()
    * serendipity_fetchTemplateInfo()
    * serendipity_setCookie()
    * serendipity_deleteCookie()
    * serendipity_fetchUsers()
    * serendipity_makeFilename()
    * serendipity_fetchReferences()
    * serendipity_utf8_encode()
    * serendipity_rss_getguid()
    * xhtml_cleanup()
    * serendipity_rewriteURL()
    * serendipity_archiveURL()
    * serendipity_archiveDateUrl()
    * serendipity_maxfileuploadsize()
    * serendipity_fetchAuthor()
    * serendipity_parseFileName()
    * serendipity_authenticate_author()
    * serendipity_track_referrer()
    * serendipity_track_referrer_gc()
    * serendipity_track_url()
    * serendipity_displayTopReferrers()
    * serendipity_displayTopExits()
    * serendipity_displayTopUrlList()
    * serendipity_discover_rss()
    * serendipity_isResponseClean()
    * serendipity_printLogin()

Moved functions:
------------------------------------------------------------------------
serendipity_saveTemplateSelection()
    -> OBSOLETE

serendipity_importWP()
    -> ./include/admin/rss_exchange.inc.php

serendipity_importMT()
    -> ./include/admin/rss_exchange.inc.php

serendipity_load_configuration()
    -> ./include/functions_config.inc.php

Removed files:
------------------------------------------------------------------------
./serendipity.inc.php
./serendipity_layout.inc.php
./serendipity_layout_table.inc.php

Moved/Renamed files:
------------------------------------------------------------------------
./serendipity_entries_overview.inc.php
    -> ./include/admin/entries_overview.inc.php

./serendipity_rss_exchange.inc.php
    -> ./include/admin/rss_exchange.inc.php

./serendipity_admin_category.inc.php
    -> ./include/admin/category.inc.php

./serendipity_admin_comments.inc.php
    -> ./include/admin/comments.inc.php

./serendipity_admin_entries.inc.php
    -> ./include/admin/entries.inc.php

./serendipity_admin_images.inc.php
    -> ./include/admin/images.inc.php

./serendipity_admin_installer.inc.php
    -> ./include/admin/installer.inc.php

./serendipity_admin_interop.inc.php
    -> ./include/admin/interop.inc.php

./serendipity_admin_overview.inc.php
    -> ./include/admin/overview.inc.php

./serendipity_admin_plugins.inc.php
    -> ./include/admin/plugins.inc.php

./serendipity_admin_templates.inc.php
    -> ./include/admin/templates.inc.php

./serendipity_admin_upgrader.inc.php
    -> ./include/admin/upgrader.inc.php

./serendipity_admin_users.inc.php
    -> ./include/admin/users.inc.php


./compat.php
    -> ./include/compat.inc.php

./serendipity_functions_config.inc.php
    -> ./include/functions_config.inc.php

./serendipity_functions_images.inc.php
    -> ./include/functions_images.inc.php

./serendipity_functions_installer.inc.php
    -> ./include/functions_installer.inc.php

./serendipity_genpage.inc.php
    -> ./include/genpage.inc.php

./serendipity_lang.inc.php
    -> ./include/lang.inc.php

./serendipity_plugin_api.php
    -> ./include/plugin_api.inc.php

./serendipity_sidebar_items.php
    -> ./include/plugin_internal.inc.php


./serendipity_db.inc.php
    -> ./include/db/db.inc.php

./serendipity_db_mysql.inc.php
    -> ./include/db/mysql.inc.php

./serendipity_db_mysqli.inc.php
    -> ./include/db/mysqli.inc.php

./serendipity_db_postgres.inc.php
    -> ./include/db/postgres.inc.php

./serendipity_db_sqlite.inc.php
    -> ./include/db/sqlite.inc.php


./htaccess.cgi.errordocs.tpl
    -> ./include/tpl/htaccess_cgi_errordocs.tpl

./htaccess.cgi.normal.tpl
    -> ./include/tpl/htaccess_cgi_normal.tpl

./htaccess.cgi.rewrite.tpl
    -> ./include/tpl/htaccess_cgi_rewrite.tpl

./htaccess.errordocs.tpl
    -> ./include/tpl/htaccess_errordocs.tpl

./htaccess.normal.tpl
    -> ./include/tpl/htaccess_normal.tpl

./htaccess.rewrite.tpl
    -> ./include/tpl/htaccess_rewrite.tpl

./serendipity_config_local.tpl
    -> ./include/tpl/config_local.tpl

./serendipity_config_user.tpl
    -> ./include/tpl/config_user.tpl


./INSTALL
    -> ./docs/INSTALL

./LICENSE
    -> ./docs/LICENSE

./NEWS
    -> ./docs/NEWS

./README
    -> ./docs/README

./TODO
    -> ./docs/TODO

./upgrade.sh
    -> ./docs/upgrade.sh