[svn r38] * resizing dynamic arrays support

* throw is replaced with assert(0)
* catch is ignored
* better foreach support
* various bugfixes

test/bug7.d

@@ -0,0 +1,14 @@
+module bug7;
+
+class love { }
+void bug() {
+    love[] child;
+    child.length=1;
+    assert(child[0] is null);
+    child[0]=null;
+    assert(child[0] is null);
+}
+void main()
+{
+    bug();
+}