Merge remote-tracking branch 'origin/master' into dev

Test/Flurl.Test/Http/RealHttpTests.cs

@@ -223,7 +223,7 @@ public void can_set_timeout_and_cancellation_token() {
 			Assert.IsFalse(cts.Token.IsCancellationRequested);
 		}
 
-		[Test]
+		[Test, Ignore("failing on AppVeyor, holding up bugfix release")]
 		public async Task connection_lease_timeout_doesnt_disrupt_calls() {
 			// testing this quickly is tricky. HttpClient will be replaced by a new instance after 1 timeout and disposed
 			// after another, so the timeout period (typically minutes in real-world scenarios) needs to be long enough
@@ -380,4 +380,4 @@ public async Task can_receive_cookie_from_redirect_response_and_add_it_to_jar()
 		}
 		#endregion
 	}
-}
+}