[svn r56] Initial support for TypeInfo.

Enums not work.
Several other bugfixes.

test/bug30.d

@@ -0,0 +1,22 @@
+module bug30;
+
+void main()
+{
+    int[] a = new int[4];
+    {a[0] = 1;
+    a[1] = 2;
+    a[2] = 3;
+    a[3] = 4;}
+    int[] b = new int[4];
+    {b[0] = 1;
+    b[1] = 2;
+    b[2] = 3;
+    b[3] = 4;}
+    int[] c = new int[4];
+    {c[0] = 1;
+    c[1] = 2;
+    c[2] = 4;
+    c[3] = 3;}
+    {assert(a == b);}
+    {assert(a != c);}
+}