Ross Lawley 7b1860d17b Fixes tree based circular references
Thanks to jpfarias for the fix.
Also normalised the other circular checks.
2011-10-10 09:16:32 -07:00
..
2011-09-09 05:52:43 -07:00
2011-06-07 15:14:41 +01:00
2009-12-19 16:04:05 +00:00
2011-07-18 08:35:29 +01:00