Update vendor

vendor/github.com/ibuildthecloud/kvsql/clientv3/driver/client.go

@@ -0,0 +1,24 @@
+package driver
+
+import (
+	"errors"
+)
+
+var (
+	ErrExists        = errors.New("key exists")
+	ErrNotExists     = errors.New("key and or Revision does not exists")
+	ErrRevisionMatch = errors.New("revision does not match")
+)
+
+type KeyValue struct {
+	ID             int64
+	Key            string
+	Value          []byte
+	OldValue       []byte
+	OldRevision    int64
+	CreateRevision int64
+	Revision       int64
+	TTL            int64
+	Version        int64
+	Del            int64
+}