Issue #1317628 by Albert Volkman, Gaelan, disasm, mjonesdinero, xjm: Clean up API docs for include files n-z

Issue #1688036 by lucascaro, sun: Fixed Session regenerate and destroy functions do not adhere to drupal_save_session().

Issue #825972 by daniels220, Reidsy, jhodgdon: Fixed sess_write()/sess_read() documentation should recommend  instead.

- Patch #846330 by JacobSingh, Gábor Hojtsy: impossible to log in with default PHP settings due to cookie lifetime.

- Patch #348448 by mfb, c960657, marvil07, cdale, jpmckinney: fixed PHP strict warnings when running tests and for PHP 5.3.

- Patch #721436 by catch, chx, sun, eojthebrave, David_Rothstein, moshe weitzman: remove magical fairy saving of cruft from user_save().

#710142 by Berdir, moshe weitzman, chx: Handle exceptions in shutdown functions (with tests). Hopefully the last of these weird 'Stack frame in Unknown line 0' errors.

- Patch by #1577 by chx, boombatower, Bèr Kessels, kkaefer: made SSL support a bit easier by providing two cookies and ... hook_goto_alter.

#330983 by recidive and boombatower: Rename users/users_roles tables to user/user_role for consistency.

- Patch #201122 by c960657, Moshe Weitzman: never write anonymous sessions, unless something has been written to . This is an important performance improvements -- as long as you use modules that use  carefully. It might be good to report some analytics about this in the performance settings page so administrators can see if there is a 'broken' module.

- Patch #280934 by pwolanin, swentel, et al: harden session regeneration.  It took a while, but it comes with tests and extra features now.