ruby-driver: add impl for find_or_insert
ruby-driver: add impl for find_or_insert

cinchapi/concourse,kylycht/concourse,vrnithinkumar/concourse,hcuffy/concourse,karthikprabhu17/concourse,kylycht/concourse,savanibharat/concourse,remiemalik/concourse,prateek135/concourse,dubex/concourse,Qunzer/concourse,aabdin01/concourse,aabdin01/concourse,cinchapi/concourse,chiranjeevjain/concourse,JerJohn15/concourse,kylycht/concourse,dubex/concourse,bigtreeljc/concourse,karthikprabhu17/concourse,Qunzer/concourse,JerJohn15/concourse,dubex/concourse,kylycht/concourse,remiemalik/concourse,kylycht/concourse,Qunzer/concourse,bigtreeljc/concourse,aabdin01/concourse,karthikprabhu17/concourse,prateek135/concourse,cinchapi/concourse,bigtreeljc/concourse,hcuffy/concourse,kylycht/concourse,chiranjeevjain/concourse,vrnithinkumar/concourse,dubex/concourse,chiranjeevjain/concourse,aabdin01/concourse,chiranjeevjain/concourse,hcuffy/concourse,karthikprabhu17/concourse,bigtreeljc/concourse,cinchapi/concourse,hcuffy/concourse,Qunzer/concourse,prateek135/concourse,savanibharat/concourse,remiemalik/concourse,JerJohn15/concourse,vrnithinkumar/concourse,vrnithinkumar/concourse,remiemalik/concourse,prateek135/concourse,JerJohn15/concourse,JerJohn15/concourse,Qunzer/concourse,remiemalik/concourse,vrnithinkumar/concourse,cinchapi/concourse,hcuffy/concourse,savanibharat/concourse,karthikprabhu17/concourse,dubex/concourse,savanibharat/concourse,aabdin01/concourse,chiranjeevjain/concourse,hcuffy/concourse,bigtreeljc/concourse,JerJohn15/concourse,cinchapi/concourse,prateek135/concourse,dubex/concourse,savanibharat/concourse,remiemalik/concourse,karthikprabhu17/concourse,vrnithinkumar/concourse,bigtreeljc/concourse,aabdin01/concourse,Qunzer/concourse,prateek135/concourse,chiranjeevjain/concourse,savanibharat/concourse