[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.

* Now 50/51 tests compile.
* Added a simple runalltests.d scripts that should be run with 'gdmd -run runalltests.d' - LLVMDC will not compile it yet.

runalltests.d

@@ -0,0 +1,33 @@
+module runalltests;
+
+import std.file;
+import std.path;
+import std.process;
+import std.stdio;
+
+int main(string[] args) {
+    string[] good;
+    string[] bad;
+
+    auto contents = listdir("test", "*.d");
+    foreach(c; contents) {
+        if (system("./tester.sh "~getName(c)~" ll") != 0) {
+            bad ~= c;
+        }
+        else {
+            good ~= c;
+        }
+    }
+
+    int ret = 0;
+    if (bad.length > 0) {
+        writefln(bad.length, '/', contents.length, " tests failed:");
+        foreach(b; bad) {
+            writefln("  ",b);
+        }
+        ret = 1;
+    }
+
+    writefln(good.length, '/', contents.length, " tests passed");
+    return ret;
+}