(defendant owns beefalo herd and orally agreed with plaintiff to keep plaintiff’s herd on defendant’s ranch; ultimately, plaintiff claimed existence of lien and defendant sued and jury determined that plaintiff converted defendant’s herd, but that plaintiff had lien on herd via Wyo. Stat. Ann. §29-7-101, et seq.; plaintiff motioned for new trial due to inconsistent verdict; court determined that finding plaintiff entitled to lien inconsistent with finding that plaintiff also liable for conversion; plaintiff entitled to new trial and case remanded).