factor

Author	SHA1	Message	Date
Slava Pestov	727f91409d	Split off concurrency.mailboxes, add timeout support to promises, locks, mailboxes, semaphores, count-downs	2008-02-21 23:47:06 -06:00
Slava Pestov	d657821f3e	Tested and documented all new concurrency features	2008-02-18 16:20:18 -06:00