- fix hosts map use after free.
- fix uri list locking (again).
- check for stale SASL credentials upon connect fail.
- add "forcestart" and "forcerestart" init script options to allow use of
5.0.3 strartup behavior if required.
- always read entire file map into cache to speed lookups.
- make MAX_ERR_BUF and PARSE_MAX_BUF use easier to audit.
- make some easy alloca replacements.
- update to configure libtirpc if present.
- update to provide ipv6 name and address support.
- update to provide ipv6 address parsing.