assign client updater methods as base lambdas

lib/obsws/req.rb

@@ -15,7 +15,9 @@ module OBSWS
       def initialize(**kwargs)
         @base_client = Base.new(**kwargs)
         LOGGER.info("#{self} succesfully identified with server")
-        @base_client.add_observer(self)
+        @base_client.updater = ->(op_code, data) {
+          @response = data if op_code == Mixin::OPCodes::REQUESTRESPONSE
+        }
         @response = {requestId: 0}
       end
 
@@ -26,7 +28,7 @@ module OBSWS
       def run
         yield(self)
       ensure
-        close
+        stop_driver
         WaitUtil.wait_for_condition(
           "driver to close",
           delay_sec: 0.01,
@@ -34,10 +36,6 @@ module OBSWS
         ) { @base_client.closed }
       end
 
-      def update(op_code, data)
-        @response = data if op_code == Mixin::OPCodes::REQUESTRESPONSE
-      end
-
       def call(req, data = nil)
         id = rand(1..1000)
         @base_client.req(id, req, data)