SHIELD v0.4

Enhancements

• mysql plugin now supports an optional mysql_read_replica property, so that you can back up from the read replica, and restore to the master.

Fixes:

• #81 limit the number of archives shown by default in shield show archives
• #101 limit number of tasks shown by default in shield show tasks
• #99 ensure that no tasks with bad stopped_at times prevent status updates
• #94 fix to the display of certain un-startable jobs stuck as 'running'
• #36 improved tabular output
• #76 fixed shield output to show time in days rather than microseconds