Multi-argument support
Make multiple arguments work, PoC:
my @filelist = qw( dit zijn bestanden );
my $sock = "./vi.sock";
if (-e $sock) {
my $remote_send = join( '<CR>:split ', @filelist );
system('nvim', '--server', $sock, '--remote-send', '<C-\><C-N>:split'.$remote_send.'<CR>');
} else {
system('nvim', '--listen', $sock, '-o', @filelist);
}