Refactored TestIsUUID
Refactored TestIsUUID

mgiaccone/govalidator,annismckenzie/govalidator,rakhnin/govalidator,gaowenbin/govalidator,rounds/govalidator,Dadie/govalidator,zj8487/govalidator,asaskevich/govalidator,spid37/govalidator,hvnsweeting/govalidator,majidgolshadi/govalidator,mondough/govalidator,xiqingping/govalidator,yh453926638/govalidator,tsaikd/govalidator,nathj07/govalidator