[svn r62] Added support for TypeInfo _Array, _Function, _Pointer, _Delegate, _Enum

Added initial support for CatExp aka 'a ~ b'
Fixed global constant static arrays initialized with string literals
Fixed casting any dynamic array to void*
Fixed new expression with temporary storage
Fixed alias declarations in function scope
Fixed relational comparisons of pointers

test/typeinfo6.d

@@ -0,0 +1,8 @@
+module typeinfo6;
+
+void main()
+{
+    auto ti = typeid(int[]);
+    assert(ti.toString() == "int[]");
+    assert(ti.next() is typeid(int));
+}