Merge remote-tracking branch 'origin/feat/8-bit-output' into dev

# Conflicts:
#	src/client/client_cli.c
#	src/client/client_send.c
#	src/shared/config.c
#	tests/test_client_cli.c
#	tests/test_config.c
#	tests/test_shared_utils.c

src/client/usage.c

@@ -21,6 +21,7 @@ void print_usage(void) {
   printf("  --remove-source-files  Remove regular source files after successful transfer\n");
   printf("  -p <port>           SSH port (default: 22)\n");
   printf("  --progress          Show transfer progress\n");
+  printf("  -8, --8-bit-output  Leave high-bit characters unescaped in output\n");
   printf("  --delete            Delete files on receiver not in source\n");
   printf("  --exclude <pattern> Exclude files matching pattern\n");
   printf("  --include <pattern> Only include files matching pattern\n");