New features

Now includes the PHP Sparklines library, so it is not necessary download it separately.

Also fixes problem with the library having a function name conflict on the error_handler() function.

Version 5.2.1
===============

- Use date functions to determine timezones, for consistency in timezone handling.
- #295523 patch by JohnAlbin, alter code so all calendar navigation and paths will work correctly when the calendar is embedded. Should get calendars in panels working right.
- #292061 Add validation to prevent using 'first' or 'last' as well as 'grouped' handlers in the calendar so dates display on the correct day.
- #298680, #300361 get rid of concatonation of 'from' and 'to' dates to fix problems displaying them correctly.
- Replace all include_once() with require_once().
- #301324 Rework calendar date selector to use site short date format.
- #294185 Add test for non-NULL values when concating the from/to date values, using COALESCE.
- Fix css for week number to be sure it stays small in all browsers.
- Add test for view->block_identifier to allow a way to set the block url to something other than 'mini=' so you can have more than one calendar block or panel on a page.

Version 5.2.0-rc5
=================

- Fix jCalendar popup so it doesn't do anything on items without a nid, like remote nodes.
- Make sure Devel module doesn't add queries to Calendar Popups.
- #292306 Make sure no error is thrown if $GLOBALS['calendar_stripes'] is empty.

Version 5.2.1
===============
- Move timezone handling logic to Date API so we can use it in Calendar, too.
- Rework the date_id formatting to use the new #delta value being passed from CCK.
- #196468 Add link to add a date field to a content type in Date Copy, uses new CCK feature to import from file.
- The timezone translation names in the install file must use underscores instead of spaces.
- #295753 When using a date form in an exposed filter, make sure 'now' is only applied if the filter is not submitted.
- #295753 When using a date form in an exposed filter, get the exposed filter delta, not the filter delta.
- #297021 Fix summary link title for date argument views.
- #302351 Add timezone info to node_load() and adjust tokens to set the right timezone.
- Replace all include_once() with require_once().
- #276270 Add missing break in date_convert() switch for ICAL.
- #301385 Change hook_requirements() to only set message in runtime to avoid install profile errors.
- #299112 Adjust date_convert() to adapt to am/pm when data source is an array.
- #299112 Don't change 12 hour time to 24 hour time until after validation.
- Make sure date_week() trims input value so you can use it with a regular datetime value.
- Change error messages for ical imports to watchdog messages.

Initial dev release of the friendlist module for Drupal 6.x.

Bug fixes:
* #303604: Call-time pass-by-reference has been deprecated no need to pass vote parameter by reference in votingapi_set_vote()
* fixed bug in click tracking by role

Backport from 6.x version.