Switch pyyaml dump use to safe_dump
Merge pull request #216 from ElementalAlchemist/safe-yaml-dump

Switch pyyaml dump use to safe_dump
Make SendAnnouncement log an error instead of collapsing the connection on error
Merge pull request #217 from ElementalAlchemist/sendannouncement-errback

Make SendAnnouncement log an error instead of collapsing the connection on error