phpOpenTracker/phpOpenTracker/docs NEWS,1.131,1.132

Update of /cvsroot/phpopencounter/phpOpenTracker/phpOpenTracker/docs
In directory sc8-pr-cvs1:/tmp/cvs-serv16743/phpOpenTracker/docs

Modified Files:
	NEWS 
Log Message:
HEAD is 2.0.0-dev now.

Index: NEWS
===================================================================
RCS file: /cvsroot/phpopencounter/phpOpenTracker/phpOpenTracker/docs/NEWS,v
retrieving revision 1.131
retrieving revision 1.132
diff -C2 -d -r1.131 -r1.132
*** NEWS	16 Nov 2003 12:36:58 -0000	1.131
--- NEWS	22 Nov 2003 08:47:45 -0000	1.132
***************
*** 1,908 ****
  (+ Added, * Changed, - Removed, ! Note)
  
! DD-MMM-200Y, Version 1.4.0
! 
!   + Added a script to benchmark a phpOpenTracker installation.
! 
!   * Refactored the configuration system. It now uses a PHP file
!     instead of an INI file.
! 
! 16-Nov-2003, Version 1.3.1
! 
!   * Removed the DELAY_KEY_WRITE=1 directive from the MySQL
!     table creation script.
! 
!   * Corrected a copy&paste error that prevented the
!     num_visitors_online and visitors_online API calls from
!     working correctly.
! 
!   * Fixed a bug in the MySQL Merge Tables handler.
! 
!   * Fixed a bug in CSV result format generation of the top
!     phpOpenTracker API call.
! 
! 02-Oct-2003, Version 1.3.0
! 
!   + Several contributions made by Sven Weih <[email protected]>
! 
!     + Added average_clickpath_length phpOpenTracker API call
!       that returns the average clickpath length.
! 
!     + Added average_time_between_visits phpOpenTracker API call
!       that returns the average time between the visits of
!       returning visitors.
! 
!     + Added one_time_visitors phpOpenTracker API call that
!       returns the number of one-time visitors.
! 
!     + Added 'week', 'current_week' and 'previous_week' support
!       to the phpOpenTracker API's timerange calculation system.
! 
!   + Added average_visits phpOpenTracker API call that returns
!     the average number of times returning visitors visited the
!     website.
! 
!   + Added num_return_visits phpOpenTracker API call that
!     returns the number of return visits.
! 
!   + Added num_returning_visitors phpOpenTracker API call that
!     returns the number of returning visitors.
! 
!   + Added num_unique_visitors phpOpenTracker API call that
!     returns the number of unique visitors.
! 
!   + Added new constraints 'hour' and 'weekday'.
! 
!   + Added new result format 'sql' that returns the SQL query
!     executed by a phpOpenTracker API call without executing it.
! 
!     Currently only the 'top' API call implements this.
! 
!   * Added columns 'weekday' and 'hour' to tables pot_accesslog and
!     pot_visitors.
! 
!   * Changed pot_accesslog.entry_document and pot_visitors.returning_visitor
!     from TINYINT(3) to TINYINT(1).
! 
!   * Renamed 'visitors' API call to 'visits'.
! 
!   * Merged the phpOpenTracker_API_num_visitors_online API plugin
!     into the phpOpenTracker_API_visitors_online API plugin.
! 
!   * Merged the phpOpenTracker_API_individual_clickpath API plugin
!     into the phpOpenTracker_API_clickpath_analysis API plugin.
! 
!   * The MySQL database handlers now show the execution time
!     of SQL queries when the configuration directive
!     'debug_level' is set to '2'.
! 
!   * Added rules to recognize GNOME Epiphany and Mozilla Firebird
!     browsers.
! 
!   * Renamed singleton() methods to getInstance().
! 
! 15-Sep-2003, Version 1.2.2
! 
!   * The setting of the DELAY_KEY_WRITE table option can now be
!     turned off when using the MySQL Merge Tables handler.
! 
!   * Changed the phpOpenTracker API plugin loader to ignore
!     temporary files with leading "#" and trailing "~"
!     characters.
! 
!     (Patch by Tim Wood <[email protected]>)
! 
!   * Added compatibility hack for current PHP 5 development
!     versions.
! 
! 30-Aug-2003, Version 1.2.1
! 
!   * The phpOpenTracker::log() method may no longer be called more
!     than once per request. The previously available possibility
!     to do so suggested functionality that is not intended.
! 
!   * Unified quoting of SQL values for compatibility with non-MySQL
!     database systems.
! 
!   * Fixed several issues with the Web Bug.
! 
!   * Fixed PostgreSQL table creation script.
! 
!     (Patch by Jean-Christian Imbeault <[email protected]>)
! 
!   * Fixed warnings in phpOpenTracker_Container and
!     phpOpenTracker_API_returning_visitors.
! 
!   - Removed the split_tables.php and webservice.php scripts
!     (that never really worked).
! 
! 09-Jul-2003, Version 1.2.0
! 
!   + Added support for MySQL Merge Tables.
! 
!   * The client_id can now be changed during a visitor's session.
! 
!   * Merged phpOpenTracker API plugins 'page_impressions' and
!     'visitors' into one plugin, called 'access_statistics'.
! 
!   * Several changes to the database schema:
! 
!     * Changed ENUM('0','1') columns to TINYINT(3) UNSIGNED.
! 
!     * Rearranged the indexes.
! 
!     - Dropped the 'client_id' column from the pot_accesslog table.
! 
!     ! If you're upgrading from a previous phpOpenTracker version you
!       need to update the database schema.
! 
!       An update script for MySQL can be found in the
!       the docs/sql/mysql/update/ directory.
! 
!   * Several changes to the configuration container:
! 
!     + Added support for built-in default values.
! 
!     + Added API to dynamically change configuration directives.
! 
!     * The parsed representation of the phpOpenTracker.ini configuration
!       file is now cached in the session.
! 
!   * Several changes to the Web Bug:
! 
!     + Added additional parameter document_url.
! 
!     * Fixed situation where false data was logged due to missing data.
! 
!   * Added triggers to the PostgreSQL database schema to prevent
!     duplicate key errors.
! 
!     (Patch by Jean-Christian Imbeault <[email protected]>)
! 
!   * Plugins for the phpOpenTracker Logging Engine now have access to
!     the Logging Engine's current parameters through $this->paramaters.
! 
!   * Changed the phpOpenTracker_Parser class code to accept rule files
!     even more similar to the original ModLogAn ones.
! 
!   * Replaced unnecessary 'require_once' calls with 'require', thus
!     avoiding the overhead incurred by 'require_once'.
! 
! 19-Apr-2003, Version 1.1.5
! 
!   * Improved performance of the 'visitors' phpOpenTracker API call.
! 
!   * Fixed an off-by-one bug in the phpOpenTracker API plugin for
!     Clickpath Analysis.
! 
!   * Fixed a warning in the phpOpenTracker API plugin for Clickpath
!     Analysis that occured in situations where no clickpath is found.
! 
!   * Removed obsolete code from phpOpenTracker API plugin
!     infrastructure.
! 
! 26-Mar-2003, Version 1.1.4
! 
!   + Added missing implementation of 'document' constraint.
! 
!   * Changed generation of the accesslog_id to circumvent the behaviour
!     of PHP's session extension where a Session ID that is associated
!     with an existing, but expired session is used to start a new
!     session.
! 
! 16-Mar-2003, Version 1.1.3
! 
!   * The phpOpenTracker API 'top' API call was broken in the
!     previous release due to a merge-from-head (MFH) gone bad.
! 
!   * Fixed a bug in the simple_report example.
! 
! 13-Mar-2003, Version 1.1.2
! 
!   * Fixed a bug in the 'top' API call.
! 
! 12-Mar-2003, Version 1.1.1
! 
!   * Fixed the passing of the client_id parameter to internal
!     phpOpenTracker API calls for the 'page_impressions', 'visitors' and
!     'visitors_online' API calls.
! 
!   * Fixed a bug in the Oracle database driver.
! 
!     Patch by Joerg Behrens <[email protected]>.
! 
! 27-Feb-2003, Version 1.1.0
! 
!   + Added a generic system to constrain phpOpenTracker API queries to
!     visitor groups.
! 
!   * Removed 'document' parameter from the 'page_impressions',
!     'plot_access_statistics', 'plot_top' and 'num_visitors_online' API
!     calls in favour of the new, more generic constraints system.
! 
!   * Fixed a warning in phpOpenTracker_Parser::userAgent() that occured
!     when HTTP_USER_AGENT contains no braces.
! 
!     (Reported by Arpad Tamas <[email protected]>)
! 
!   * Fixed a parse error in the MSSQL database driver.
! 
!   ! The removal of the 'document' parameter from the 'page_impressions',
!     'plot_access_statistics', 'plot_top' and 'num_visitors_online' API
!     calls breaks backwards compatibility.
! 
!     If you used the 'document' parameter with the above mentioned
!     API calls replace it with
! 
!       'constraints' => array(
!         'document' => 'name or url of document'
!       )
! 
! 08-Jan-2003, Version 1.0.6
! 
!   * Refactored the phpOpenTracker Logging Engine plugin system.
! 
!   * The client_id is now added to the name of the cookie that is used to
!     track returning visitors.
! 
!     This ensures unique cookie names for multiple sites tracked by one
!     installation of phpOpenTracker.
! 
!   * Fixed a bug in the phpOpenTracker API Query Cache that caused queries
!     without a timerange limitation to be cached.
! 
!   * Fixed a bug in the 'returning_visitors' API call that occured when
!     no returning visitors where found for the given timerange, for
!     instance when track_returning_visitors is disabled.
! 
!   * Changed the GraphViz markup generation so that individual clickpaths
!     like "A -> B -> A -> B" get rendered correctly.
! 
!   * Improved the performance of the match() and readRules() methods of
!     the phpOpenTracker_Parser class.
! 
! 20-Dec-2002, Version 1.0.5
! 
!   + Added 'returning_visitors' API call that returns information on
!     returning visitors.
! 
!     (Feature Request #652693 by Jens S. Benecke <[email protected]>)
! 
!   * Several fixes to the 'plot_top' phpOpenTracker API plugin:
! 
!       * Synched with the underlying 'top' phpOpenTracker API plugin.
! 
!       * Synched with recent JPGraph API changes.
! 
!     The phpOpenTracker API calls provided by 'plot_top' were broken
!     in previous versions.
! 
!   * Refactored the phpOpenTracker API plugin for Clickpath Analysis.
! 
!   * Renamed 'visits' API call to 'visitors', keeping 'visits' as an alias for
!     backwards compatibility.
! 
!   * Removed stray comma from phpOpenTracker/conf/hosts.ini that was added
!     by accident before the previous release and caused a PHP warning.
! 
!   * Improved PHPDoc tag based documentation of the source code.
! 
!     Source code documentation generated with Doxygen can be found at
!     http://www.phpOpenTracker.de/apidoc/.
! 
! 11-Dec-2002, Version 1.0.4
! 
!   + Added a parameter 'font_size' to the API calls wrapped by
!     phpOpenTracker::plot().
! 
!     The default font settings for JPGraph are now FF_VERDANA (font),
!     FS_NORMAL (font_style), 10 (font_size).
! 
!   + Added two parameters, 'exit_targets' and 'referers', to the
!     'all_paths' API call.
! 
!     When set to true, exit target and referers are included in the
!     analysis respectively.
! 
!   + Added three parameters, 'document_color', 'exit_target_color' and
!     'referer_color' to the 'all_paths' API call.
! 
!     They respectively set the color to be used for the three types of
!     nodes in GraphViz markup.
! 
!   * Improved Cache ID generation for the phpOpenTracker API Query Cache.
! 
!   * Fixed a bug in the 'plot_access_statistics' API call.
! 
!   * Fixed a bug in the 'all_paths' API call.
! 
!   * Changed the webbug.js and image.php scripts to use BASE64 encoding
!     for the transport of the refering URL. This allows for the correct
!     handling of HTTP GET parameters in the refering URL.
! 
!   - Dropped support for XML result formats from phpOpenTracker API calls
!     'all_paths', 'longest_paths', 'shortest_paths', 'top_paths'.
! 
!     If you need to generate XML markup for the results of this API calls
!     use the 'array' result format which returns an array of
!     objects of the phpOpenTracker_Clickpath class that provides the
!     appropriate toXML() method.
! 
!   ! Version 1.0.1 of PEAR package Image_GraphViz is now required for
!     clickpath visualization using AT&T's GraphViz software.
! 
! 06-Dec-2002, Version 1.0.3
! 
!   + Added two parameters to the phpOpenTracker API to ease the definition
!     of arbitrary timeranges to which a query shall be limited to.
! 
!   * Fixed a bug in the phpOpenTracker API's Query Cache code.
! 
!   * Fixed some leftovers in the phpOpenTracker API plugin for Clickpath
!     Analysis regarding the switch to version 0.4 of the Image_GraphViz
!     PEAR package.
! 
!   * Renamed 'restrain_field' and 'restrain_value' parameters to
!     'constraint_field' and 'constraint_value'.
! 
! 04-Dec-2002, Version 1.0.2
! 
!   * Fixed a bug in the phpOpenTracker API plugin for Clickpath Analysis
!     that prevented correct operation of clickpath queries limited to
!     given start and/or end documents.
! 
!   * A phpOpenTracker installation can now be configured separately
!     for each site tracked by it by setting the POT_CONFIG_PATH
!     constant to the directory that contains the configuration files
!     to be used.
! 
!     (Patch by Christian Stocker <[email protected]>)
! 
!   * Changed the phpOpenTracker API's Query Cache to use PEAR's
!     Cache_Lite package instead of the Cache package.
! 
!   * Synched phpOpenTracker_Clickpath with API changes in PEAR's
!     Image_GraphViz package.
! 
!   ! Version 1.0.1 of PEAR package Cache_Lite is now required in
!     order to use the phpOpenTracker API's Query Cache.
! 
!   ! Version 0.4 of PEAR package Image_GraphViz is now required
!     for clickpath visualization using AT&T's GraphViz software.
! 
! 23-Nov-2002, Version 1.0.1
! 
!   * Fixed a bug that prevented correct operation of plugins.
! 
!   * Fixed a bug in the PostgreSQL database schema.
! 
!   * Fixed a bug in the phpOpenTracker WebService.
! 
!     (Patch by Philip Olson <[email protected]>)
! 
! 03-Nov-2002, Version 1.0.0
! 
!   * Fixed a bug in the logging of outgoing links.
! 
!   * Refactored Logging Engine.
! 
!   * Reorganized directory structure.
! 
!   * Changed location of error.log logfile.
! 
!   - Deprecated 'session_lifetime' configuration directive as it
!     was no longer used.
! 
!   ! First "final" release.
! 
! 01-Sep-2002, Version 0.9.12
! 
!   * Logging Engine "post" plugins are now called before the data is
!     stored into the pot_visitors table.
! 
!   * Fixed handling of "document_url" handling, when Logging Engine
!     invoked by web-bug.
! 
!   * Fixed a bug in phpOpenTracker_Parser::match().
! 
! 01-Sep-2002, Version 0.9.11
! 
!   + Added configuration directive to turn off user_agent
!     grouping / parsing.
! 
!   * The MySQL handler now uses mysql_real_escape_string(), if it is
!     available, instead of mysql_escape_string().
! 
!   * Moved configuration file(s) to new directory conf/.
! 
!   * Fixed a bug in Clickpath::toGraph() that caused the GraphViz
!     markup of a clickpath to contain only one item.
! 
!     (Patch by Felix Richter <[email protected]>)
! 
!   * Removed PRIMARY KEY constraint on accesslog_id column in pot_add_data
!     table to allow for multiple data sets to be stored.
! 
!   * Added rules to recognize more operating systems and user agents.
! 
!   * Added rules to block more robots and spiders.
! 
! 30-Jun-2002, Version 0.9.10
! 
!   + The $_SERVER['HTTP_USER_AGENT'] string is now parsed for
!     Operating System and User Agent information that is stored
!     separately in order to allow for separate statistical analysis
!     of the data.
! 
!     The database schema needed to be changed yet again to allow
!     for this improvement.
! 
!     Much thanks is due to Jan Kneschke <[email protected]> for
!     explaining the ModLogAn way of doing the parsing.
! 
!   + Added support for MS SQL Server 2000.
! 
!     (Patch by Christopher Hughes <[email protected]>)
! 
!   + Added apiPluginLoaded() method to phpOpenTracker class.
! 
!   * $container['document_url'] and $container['referer_orig'] are
!     now urldecode()d.
! 
!   * Removed truncate_hostname mechanism in favour of hostname grouping,
!     which can be controlled through the 'group_hostnames' configuration
!     directive.
! 
!   * Removed trailing ';' from all SQL queries.
! 
!   * Fixed a copy&paste bug in the Oracle database layer.
! 
!     (Reported by Lars Pohlmann <[email protected]>)
! 
!   * Fixed a bug in the visitors_online phpOpenTracker API plugin.
! 
!   * Fixed a bug in the plot_access_statistics phpOpenTracker API plugin.
! 
!   * Several changes to the simple_report example:
! 
!     + Added 'Top Search Engines' and 'Top Search Keywords' statistics.
! 
!       This only works if the phpOpenTracker Search Engines Plugin is
!       installed and enabled.
! 
!     + Added 'Current Activity' page based on the 'visitors_online'
!       phpOpenTracker API call.
! 
!     + Added anchors to ease the navigation between different
!       statistics.
! 
!       (Requested by Jörg Behrens <[email protected]>)
! 
!     * Fixed a bug that prevented correct operation when
!       register_globals is disabled.
! 
!     ! The release cycle for phpOpenTracker 1.0.0 has been suspended
!       due to the number of changes since the previous release
!       candidate.
! 
! 03-May-2002, Version 1.0.0-RC2
! 
!   * Fixed PostgreSQL database schema.
! 
!   * Bail out if database handler cannot be loaded.
! 
!   * phpOpenTracker now requires PHP 4.2.1 (or higher).
!     This is because of a bug in the session extension that was
!     not fixed in PHP 4.2.0.
! 
! 20-Apr-2002, Version 1.0.0-RC1
! 
!   + phpOpenTracker releases are now packaged using the PEAR Packager and
!     can be installed using the PEAR Installer.
! 
!   + Added optional parameter 'document' to the 'plot_access_statistics' API
!     call.
! 
!   + Added result format 'graphviz_object' to API calls that already
!     supported 'graphviz'.
! 
!   + The PHPOPENTRACKER_VERSION constant, which is now registered on
!     startup, contains detailed information on the phpOpenTracker version
!     installed.
! 
!   * The phpOpenTracker plot_* API calls now use the JPGraph library,
!     instead of VAGRANT.
! 
!     If you want to use this functionality, you need to download
!     (http://www.aditus.nu/jpgraph/) and install JPGraph 1.6.2
!     (or later).
! 
!   * Rewrote the handling of entry and exit documents, as well as exit
!     targets.
! 
!     It is now possible to use the log/exit.php script with exit targets
!     that are opened in a new browser window. Furthermore, an arbitrary
!     number of exit document / exit target combinations is now tracked
!     for each visitor.
! 
!     In order to accomplish this the database schema had to be changed.
! 
!   * Changed the configuration parser to throw an error when the
!     configuration file cannot be loaded.
! 
!   * Rewrote the 'simple_report' example.
! 
!   * Made the logging of error and warning messages to a logfile
!     optional.
! 
!   * Fixed a bug in the exit.php script.
! 
!   * Fixed a bug in the 'all_paths' API call.
! 
!     (Reported by Joerg Linder <[email protected]>)
! 
!   * Events in the error.log are now timestamped.
! 
!   * Synched german translation of the manual with the english version.
! 
!   * phpOpenTracker now requires PHP 4.2.0 (or higher). This is mainly
!     due to a bug in PHP 4.1.X.
! 
!     For details on the bug, see
!     http://sourceforge.net/tracker/?func=detail&atid=101716&aid=508726&group_id=1716
! 
!   - Removed the custom session handler.
! 
!     This feature has never performed as expected.
! 
!   - Removed bundled PEAR packages.
! 
!     As of the PHP 4.2.0 release, the PEAR Installer ships in a working
!     version with each release of PHP, so it makes no longer sense to
!     ship these packages together with phpOpenTracker.
! 
! 07-Feb-2002, Version 0.9.9-pl1
! 
!   + Added 'exit_on_fatal_errors' configuration directive.
! 
!   + Implemented XML Result Format in 'visitors_online' phpOpenTracker
!     API call.
! 
!   * Changed the error handler to log error and warning messages to a
!     logfile, named 'error.log', when the configuration directive
!     'debug_level' is set to '0'.
! 
!   * Fixed a bug in the phpOpenTracker API that prevented API calls to
!     work that did not supply a timerange by either $parameters['range']
!     or $parameters['start'] and $parameters['end'].
! 
!   * Fixed the phpOpenTracker API's Query Cache.
! 
!   * Fixed log/image.php.
! 
!     (Reported by [email protected])
! 
!   * Fixed simple_report example.
! 
!   * Fixed bundled PEAR XML_Tree package.
! 
!   * Changed the plugin loader to issue a warning when a plugin could
!     be loaded.
! 
!   * Removed some old cruft from the codebase.
! 
! 31-Jan-2002, Version 0.9.9
! 
!   + Added a means to pass arbitrary, additional user data to the
!     phpOpenTracker Logging Engine that will be stored in a separate
!     database table.
! 
!     You can either use the web-bug to pass this data or write a plugin
!     for the phpOpenTracker Logging Engine. Examples for both methods
!     are provided.
! 
!   + Both the phpOpenTracker Logging Engine and the phpOpenTracker API
!     can now be extended through a plugin interface.
! 
!   + Added a plugin for the phpOpenTracker Logging Engine to interface
!     with Jan Kneschke's localizer.
! 
!     Localizer enables phpOpenTracker to retrieve information on a
!     visitor's city and ISP from his IP address. Information on
!     localizer can be found at http://jan.kneschke.de/projects/localizer/.
! 
!   + Added a plugin for the phpOpenTracker Logging Engine to parse
!     the HTTP_REFERER string for search engine information.
! 
!     The plugin stores information about what search engine was queried
!     for which keywords into a separate table. The corresponding
!     phpOpenTracker API plugin provides statistical analysis on the
!     most commonly used search engine and / or the most commonly used
!     keywords to find the site tracked by phpOpenTracker.
! 
!   + Added pie chart plotting for top 'document', 'entry_document',
!     'exit_document', 'exit_target', 'host', 'referer' and 'user_agent'
!     result sets.
! 
!   + phpOpenTracker API calls 'page_impressions', 'longest_paths',
!     'shortest_paths', 'top_paths', 'top', 'visits' and 'visitors_online'
!     can now optionally return their result in XML markup or as an XML
!     tree object.
! 
!   + phpOpenTracker API calls 'page_impressions', 'top' and 'visits' can
!     now optionally return their result as Comma Separated Values (CSV).
! 
!   + Resolving of data identifiers (data_id) to the actual string values
!     can now be optionally turned off for 'individual_clickpath',
!     'longest_paths', 'shortest_paths', 'top_paths' and 'top' API calls.
! 
!   + Added HTTP GET parameter filter as an alternative to the
!     clean_query_string operation. While setting clean_query_string=On
!     cleans the document's URL of any HTTP GET parameters, you can
!     use the get_parameter_filter to define a list of HTTP GET
!     parameters that you would like to be stripped from the URL.
! 
!   + Added 'document_url' column to pot_documents table.
! 
!   + Added 'longest_paths' API call.
! 
!   + Added german translation of the manual.
! 
!   * Renamed $parameters['mode'] to $parameters['api_call'] in calls to
!     phpOpenTracker::get() and phpOpenTracker::plot().
! 
!     While this is more intuitive, it also breaks backwards
!     compatibility.
! 
!   * Redesigned configuration system.
! 
!   * phpOpenTracker API call 'visitors_online' now returns clickpaths
!     information for each visitor currently online.
! 
!   * Renamed 'no_returning_visitors' parameter to 'returning_visitors'
!     in 'visits' API call.
! 
!   * Renamed 'no_subpaths' parameter to 'subpaths' in clickpath
!     analysis API calls. Per default, the analysis of subpaths is now
!     disabled.
! 
!   * Removed POT_DEBUG configuration directive in favour of
!     debug_level to allow for several levels of debug output.
! 
!   * The simple_report example now uses PEAR/HTML/TINX as its
!     template engine.
! 
!   * Fixed a bug that caused the wrong client_id to be used in some
!     phpOpenTracker API Calls.
! 
!   * Fixed the PostgreSQL database schema.
! 
!   * Fixed the custom session handling.
! 
!   * The database user no longer requires 'CREATE TABLE' privileges.
! 
!   * phpOpenTracker no longer requires privileges to execute PHP's
!     ini_set() function, which is disabled by some ISPs.
! 
!   * Optimized database indexing.
! 
!   - Removed MySQL Tuning Mode.
! 
!     The MySQL Tuning Mode used 'INSERT DELAYED' and 'UPDATE
!     LOW_PRIORITY' to avoid blocking of database queries unrelated to
!     phpOpenTracker and to increase overall performance of the
!     phpOpenTracker Logging Engine.
! 
!     A better performance increase is achieved by using the
!     'DELAY_KEY_WRITE=1' option when creating the tables. This is also
!     safer than using INSERT DELAYED and UPDATE LOW_PRIORITY.
! 
!   ! phpOpenTracker now requires PHP 4.1.0 (or higher).
! 
! 15-Oct-2001, Version 0.9.8
! 
!   + Added phpOpenTracker::get() and phpOpenTracker::plot() methods.
! 
!     These two can be called instead of phpOpenTracker_API->get() and
!     phpOpenTracker->plot() and don't require an object instance of
!     phpOpenTracker_API.
! 
!   + Added regular expression based locking locking mechanism.
! 
!     If a request is initiated by/from one of a list of hostnames,
!     referers and user agents that you don't want to be tracked, the
!     logging engine ignores the request. With this feature you can
!     easily lock out search engine crawlers and other robots.
! 
!     This new locking mechanism uses a configuration file, which saves
!     one database query per request.
! 
!   + Added custom session handler.
! 
!     With its own session handling enabled, phpOpenTracker only
!     performs two database queries per session and updates its database
!     when the garbage collection is run.
! 
!   + Added a means to invoke phpOpenTracker through a HTML <img> tag, a
!     so called "web-bug".
! 
!     This allows for the tracking of static pages and the installation
!     of phpOpenTracker on a dedicated server.
! 
!   + Added POT_RESOLVE_HOSTNAME configuration directive to turn on/off
!     the resolving of hostnames.
! 
!   + Added POT_CLEAN_REFERER_STRING configuration directive to turn
!     on/off the stripping of HTTP GET parameters from the referer's URL.
! 
!   + Added logging of returning visitors.
! 
!   * Large parts of the code have been rewritten and the database
!     schema had to be changed to allow for the huge performance gain
!     introduced with this version of phpOpenTracker and for future
!     feature additions.
! 
!     The clickpath analysis now works solely on the pot_accesslog
!     table, the time-expensive build-up of a separate table for the
!     clickpath information is no longer needed.
! 
!   * phpOpenTracker now uses the $_COOKIE, $_GET and $_SERVER arrays,
!     that were introduced with PHP 4.0.7, to access the respective
!     variables. This allows for the use of phpOpenTracker in PHP
!     environments where register_globals is turned off.
! 
!     In this release of phpOpenTracker, backwards compatibility to PHP
!     4.0.5 is maintained through a 'hack' that results in a small
!     performance hit.
! 
!     The next phpOpenTracker release will require PHP 4.0.7 (or
!     higher).
! 
!   * Renamed 'hits' to 'page impressions'.
! 
!   - Removed phpOpenTracker_Clickpath_Analysis and phpOpenTracker_Graph
!     classes. Their functionality has been merged into the
!     phpOpenTracker_API class.
! 
!   ! This version of phpOpenTracker requires PHP 4.0.5 (or higher). If
!     you want to use it with a PostgreSQL database, you'll need PHP 4.0.7
!     (or higher).
! 
!   ! Changed license from the 'GNU Lesser Public License (LGPL)' to the
!     'phpOpenTracker Software License', see LICENSE for details.
! 
! 29-Jul-2001, Version 0.9.7-pl1
! 
!   * Automatically cache phpOpenTracker_API->get() results if it's sure
!     that they're not going to change. This feature is highly
!     experimental and turned off by default in config.php.
! 
!   * Fixed a misbehaviour that caused PEAR/Cache to be loaded when not
!     needed or wanted.
! 
!   - Dropped support for PEAR/DB.
! 
!     phpOpenTracker is now beeing developed and tested with MySQL,
!     Oracle/OCI8 and PostgreSQL.
! 
!   - Dropped support for databases that don't support
!     'COUNT(DISTINCT())' queries.
! 
!   - Removed phpOpenTracker_Report class, it had no place in the
!     upcoming LOGML- based reporting framework.
! 
! 05-Jul-2001, Version 0.9.7 (LinuxTag Release)
! 
!   * The creational design patterns 'factory' and 'singleton' are now
!     used to create instances of phpOpenTracker's classes.
! 
!   * Made phpOpenTracker->get() method cacheable using PEAR/Cache.
! 
!   * Released at LinuxTag, www.linuxtag.org.
! 
! 16-Jun-2001, Version 0.9.7-dev-pl2
! 
!   * The distribution archive was put together incorrectly.
! 
!   * Prefix table names per default with 'pot_'.
! 
! 15-Jun-2001, Version 0.9.7-dev-pl1
! 
!   + Added 'POT_DB_PORT' configuration directive.
! 
!   * Fixed include_path handling. You can now pass the absolute path to
!     phpOpenTracker's include directories to the phpOpenTracker()
!     function.
! 
!     (Reported by Mark Kronsbein)
! 
!   * Fixed a bug which caused SQL queries to be put together in a
!     syntactically incorrect way in rare cases.
! 
!     (Reported by Michael Wihsboeck)
! 
! 14-Jun-2001, Version 0.9.7-dev
! 
!   + Added 'Top Entry Pages' query to phpOpenTracker_API. A new table
!     'entry_pages' was added due to this. The 'exits' table was renamed
!     to 'exit_pages' for consistency reasons.
! 
!   + Added 'exit_document', 'exit_target' modes to 'top' API call.
! 
!     The 'exit_pages' table needed to be expanded to allow for these
!     operations.
! 
!   + Added optimized database layer for MySQL and PostgreSQL.
! 
!     PEAR/DB is no longer needed in order to use phpOpenTracker with
!     either MySQL or PostgreSQL.
! 
!   + Added 'Simple Report' example.
! 
!   * Several bug fixes.
! 
! 26-May-2001, Version 0.9.6
! 
!   + Added phpOpenTracker_Report class.
! 
!     This class contains the functionality to perform batch queries to
!     the gathered data through phpOpenTracker_API and returns the
!     result as XML (either as a xml_tree object or as text) or as an
!     array.
! 
!   + Added phpOpenTracker_Graph class.
! 
!     This class visualizes a report array, generated by
!     phpOpenTracker_Report using the VAGRANT
!     (http://vagrant.sourceforge.net/) package.
! 
!   * Several bug fixes.
! 
! 19-May-2001, Version 0.9.6-dev
! 
!   * phpOpenTracker is now multi-client enabled.
! 
!   * Database Abstraction is now handled by either PEAR/DB or ext/dbx.
! 
!   * Rewrote large parts of phpOpenTracker_Core and
!     phpOpenTracker_Logger. Rearranged interfacing between the various
!     phpOpenTracker classes.
! 
! 26-Feb-2001, Version 0.9.5
! 
!   + Added MYSQL_TUNING mode.
! 
!   * Startup code streamlined. Less SQL queries needed.
! 
! 31-Jan-2001, Version 0.9.4
! 
!   * Minor fixes and improvements here and there.
! 
! 14-Jan-2001, Version 0.9.3pl1
! 
!   * Fixed a bug in the database structure for MySQL.
! 
! 23-Dec-2000, Version 0.9.3
! 
!   + Added access_data().
! 
!   * Transition from PHPLIB/DB_Sql to PEAR/DB.
! 
!   * setup_access_data() is now called only once, the result of this
!     call is cached for later usage.
! 
! 30-Nov-2000, Version 0.9.2
! 
!   * Fixed two minor bugs that slipped into 0.9.1.
! 
! 27-Nov-2000, Version 0.9.1
! 
!   * phpOpenTracker_Clickpath_Analysis class rewritten
  
!   * Reorganised the directory structure.
  
!   * phpOpenTracker is now compatible with Oracle.
  
! 09-Oct-2000, Version 0.9.0
  
!   * First preview release.
--- 1,15 ----
  (+ Added, * Changed, - Removed, ! Note)
  
! DD-MMM-200Y, Version 2.0.0
  
!   + Added phpOpenTracker_API_Result and phpOpenTracker_API_ResultIterator
!     classes that simplify the processing of results returned by
!     the phpOpenTracker API.
  
!   * Refactoring.
  
!   ! phpOpenTracker now requires PHP 5.
  
!   ! MySQL 4.1.1 (or higher) and the MySQLi extension of PHP 5
!     are now required if phpOpenTracker is to be used with a
!     MySQL database.




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