CLEANUP
FIX: httpSetCookie and redirections for IPv6 addresses

Fix for IPv6 systems
Fix for numerical IP addresses
Add option to suppress cookie domain by setting domain parameter to an empty string
Add parameter to httpGetSecurityToken, httpAddSecurityToken to recreate security token
UPGRADE: pack versions
FIX: https:///uri redirection.
FIX: httpLookupSessionID

Use mprLookupCache to not update cache expiry
DOC: Update API doc.
UPGRADE: mpr pak for mprSort
FIX: HttpStats.activeSessions.
FEATURE: Add per-route session cookie name
FIX: Single login management.
DOC
FIX: errorDoc creating header packet.
UPGRADE: mpr
DOC: regen.
FIX: httpFlush(BLOCK) waits for entire queue to be empty.
FIX: destroy session cookie
FIX: httpFlush when connectors get conn errors.
UPGRADE: paks
FIX: httpValidateUriPath for null arg.
DOC: Update handler callback doc