Make enabling or disabling an event through ALTER EVENT actually modify the schema
Move ALTER_EVENT next to CREATE_EVENT
Remove SQLMETA backwards compatibility

Really we meant to do this long, long ago.
Merge pull request #262 from iarna/alter-event-status

Alter event status
Make unknown metadata an error rather then an exception
Merge pull request #264 from iarna/graceful-unknown-metadata

Make unknown metadata an error rather then an exception
Merge pull request #263 from iarna/remove-sqlmeta

Remove SQLMETA backwards compatibility