Many things to update with the new Hush v3

lib/Hush/RPC.pm

@@ -8,9 +8,12 @@ use File::Spec::Functions;
 use URL::Encode qw/url_encode/;
 
 sub new {
+    # TODO: update ports
     my $port   = $ENV{HUSH_RPC_PORT} || 8822;
     my $host   = $ENV{HUSH_RPC_HOST} || "127.0.0.1";
     my $HOME   = $ENV{HOME};
+    # TODO: support other OS's and custom config file path
+    # TODO: update to KMD AC location
     my $config = catfile($HOME, qw/.hush hush.conf/);
     my ($user,$password) = ('','');
     if (-e $config) {