* develop-ascraeus:
[ticket/12716] Use a string as session_id
[ticket/12716] Add regression test
[ticket/12716] Add the missing parameters in the call of clearToken
[ticket/12716] Add the missing parameters in the call of clearToken
* Nicofuma/ticket/12716:
[ticket/12716] Use a string as session_id
[ticket/12716] Add regression test
[ticket/12716] Add the missing parameters in the call of clearToken
[ticket/12764] Properly handle errors upon connecting to MySQLi database
* marc1706/ticket/12764:
[ticket/12764] Properly handle errors upon connecting to MySQLi database
* develop-ascraeus:
[ticket/12771] Shanging substr to strpos
[ticket/12771] Change var name
[ticket/12771] Bug in profilefield_base_migration when used in ext
[ticket/12771] Bug in profilefield_base_migration when used in ext
* lucifer4o/ticket/12771:
[ticket/12771] Shanging substr to strpos
[ticket/12771] Change var name
[ticket/12771] Bug in profilefield_base_migration when used in ext
* develop-ascraeus:
[ticket/12759] Fix type_bool and type_dropdown's UCP fields
[ticket/12759] Remove lang_helper from profilefields_manager
[ticket/12759] Cache all lang_options in lang_helper instead
[ticket/12759] Extra line in profilefields_manager
[ticket/12759] Cache lang_options for pm_viewmessage
[ticket/12759] Cache lang_options on memberlist
[ticket/12759] Add phpDoc comments to explain get_option_lang
[ticket/12759] Little code cleanup
[ticket/12759] Make sure $field_id has unique elements
[ticket/12759] Cache the lang options earlier
[ticket/12759] Cache lang options for all fields while displaying
[ticket/12759] Allow multiple fields to be loaded via get_option_lang
[ticket/12759] Resolve query flooding while displaying large number of custom profile fields
* Dragooon/ticket/12759:
[ticket/12759] Fix type_bool and type_dropdown's UCP fields
[ticket/12759] Remove lang_helper from profilefields_manager
[ticket/12759] Cache all lang_options in lang_helper instead
[ticket/12759] Extra line in profilefields_manager
[ticket/12759] Cache lang_options for pm_viewmessage
[ticket/12759] Cache lang_options on memberlist
[ticket/12759] Add phpDoc comments to explain get_option_lang
[ticket/12759] Little code cleanup
[ticket/12759] Make sure $field_id has unique elements
[ticket/12759] Cache the lang options earlier
[ticket/12759] Cache lang options for all fields while displaying
[ticket/12759] Allow multiple fields to be loaded via get_option_lang