Merge remote-tracking branch 'origin/feat/modify-window' into dev

# Conflicts:
#	RSYNC_COMPAT.md
#	src/client/client_cli.c
#	src/client/usage.c
#	src/server/receiver.c
#	src/server/server.c
#	src/shared/config.c
#	src/shared/config.h
#	src/shared/file_receive.c
#	tests/integration/test_features.py
#	tests/test_client_cli.c
#	tests/test_config.c

tests/test_config.c

@@ -131,6 +131,7 @@ static void test_config_send_receive() {
   send_cfg->compression_level = 5;
   send_cfg->chunk_size = 1024;
   send_cfg->eight_bit_output = true;
+  send_cfg->modify_window = 4;
 
   /* Use socketpair for bidirectional communication */
   int p[2];
@@ -175,6 +176,8 @@ static void test_config_send_receive() {
         ok = false;
       if (!recv_cfg->whole_file)
         ok = false;
+      if (recv_cfg->modify_window != 4)
+        ok = false;
     }
     config_delete(recv_cfg);
     close(p[0]);