add rogue submodule and support for compiling, some cleanup

tests/nestedtest.pas

@@ -0,0 +1,49 @@
+program NestedTest;
+var g:integer;
+
+procedure first;
+var f:integer;
+
+  procedure second;
+  var s:integer;
+
+    procedure third1;
+    var t1:integer;
+    begin
+	    t1 := 310;
+	    s := 31;
+	    writeln('t1:', t1);
+    end;
+
+    procedure third2;
+    var t2:integer;
+    begin
+	    t2 := 320;
+	    s := 32;
+	    writeln('t2:', t2);
+	    if g <> 21 then
+	    begin
+	        g := 21;
+		second;
+	    end;
+    end;
+
+  begin
+	  f := 2;
+	  writeln('g:',g);
+	  third1;
+	  writeln('g:', g);
+	  third2;
+	  writeln('s:',s);
+  end;
+
+begin
+	second;
+	writeln('f:', f);
+end;
+
+begin
+	g := 0;
+	first;
+	writeln('g:', g);
+end.