Version 1.7.0
(?? November 2009 from /branches/1.7.x)
http://code.elgg.org/elgg/.....

 User-visible changes:
  * UTF8 now saved correctly in database. #1151
  * Unit tests added to System diagnostics.
  * Debug values output to screen when enabled in admin settings.

 Bugfixes:
  * Searching by tag with extended characters now works. #1151, #1231
  * Searching for entities works properly with case-insensitive metadata. #1326

 API changes:
  * New plugin hook system:unit_test for adding files to unit tests.
  * $is_admin global deprecated; use elgg_set_ignore_access() instead.

 Services API:
  * Separated user and api authenticate processing
  * New plugin hook api_key:use for keeping stats on key usage
  * New plugin hook rest:init so plugins can configure authentication modules
  * Moved auth.gettoken to POST for increased security
  * Fixed REST POST bug #1114
  * Fixed #881, #1216, #1217, #1218, #1219, #1220, #1298