- Update to version 0.9.1:
* Add __arraycount() macro.
* Add flopenat() function.
* Add strtoi() and strtou() functions.
* Add several new vis and unvis functions.
* Add pidfile_fileno() function, and struct pidfh is now opaque.
* The humanize_number() now understands HN_IEC_PREFIXES.
* The fmtcheck() function supports all standard printf(3)
conversions.
* The getentropy(), and thus arc4random() functions will not
block anymore on Linux on boot when there's not enough entropy
available.
* The arc4random() function handles direct clone() calls better.