use forceclose in down() per default

src/Server.jl

@@ -7,7 +7,7 @@ using HTTP, Sockets, HTTP.WebSockets
 import Millboard, Distributed, Logging
 import Genie
 import Distributed
-import HTTP.Servers.Listener
+import HTTP.Servers: Listener, forceclose
 
 
 """
@@ -253,18 +253,19 @@ end
 Shuts down the servers optionally indicating which of the `webserver` and `websockets` servers to be stopped.
 It does not remove the servers from the `SERVERS` collection. Returns the collection.
 """
-function down(; webserver::Bool = true, websockets::Bool = true) :: Vector{ServersCollection}
+function down(; webserver::Bool = true, websockets::Bool = true, force::Bool = true) :: Vector{ServersCollection}
   for i in 1:length(SERVERS)
-    down(SERVERS[i]; webserver, websockets)
+    down(SERVERS[i]; webserver, websockets, force)
   end
 
   SERVERS
 end
 
 
-function down(server::ServersCollection; webserver::Bool = true, websockets::Bool = true) :: ServersCollection
-  webserver && !isnothing(server.webserver) && isopen(server.webserver) && close(server.webserver)
-  websockets && !isnothing(server.websockets) && isopen(server.websockets) && close(server.websockets)
+function down(server::ServersCollection; webserver::Bool = true, websockets::Bool = true, force::Bool = true) :: ServersCollection
+  close_cmd = force ? forceclose : close
+  webserver && !isnothing(server.webserver) && isopen(server.webserver) && close_cmd(server.webserver)
+  websockets && !isnothing(server.websockets) && isopen(server.websockets) && close_cmd(server.websockets)
 
   server
 end