Prevent duplicate audits being created (fixes #8)
Prevent duplicate audits being created (fixes #8)

Signed-off-by: Kenneth Kalmer <84c35a3afda487b4c6fddf4acbad2a5edf604e05@gmail.com>
ledermann/audited,xuwupeng2000/audited,ConsultingMD/audited,azanar/audited,cfiorini/audited,collectiveidea/audited,Datacom/audited,brandonaaron/acts_as_audited,ktheory/acts_as_audited,lrgalego/audited,instacart/audited,klatunetworks/audited,airbnb/audited,ontrack/audited,reenhanced/audited,simplepractice/audited,happio/audited,ajoulie/audited,ishail/audited,ZHANGJIE982/audited,GhostGroup/audited