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Tue Jul 10 2007:
[10]Version 0.12 released; changes include: make daemon_close_all()
actually work properly.
Fri Jun 22 2007:
[11]Version 0.11 released; changes include: automatically detect
whether lynx is installed; properly set errno on every error condition;
add new function daemon_close_all() to close all open file descriptors
except a given set; add daemon_logv(), which is identical to
daemon_log(), but takes a va_list argument; add daemon_execv() in
similar style; other fixes
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