elog.handlers: configurable fields
elog.handlers: Log _real_ failed messages
elog.records: Removed hardcoded gettid() syscall number 186
elog.records: cached getfqdn() value
elog.records: fallback if CFFI is failed
elog.record: Cached FQDN every minute
setup: required cffi>=0.7
Merge pull request #44 from mdevaev/elog-fixes

Elog fixes