John McAliley ae5ae23e1c Add referrer to impression model. ... remove unused features dir.		2011-06-03 11:52:42 -04:00
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version_0_3_0.rb	add session_hash to impression model	2011-03-06 23:22:39 -05:00
version_0_4_0.rb	Add referrer to impression model.	2011-06-03 11:52:42 -04:00