Added complex number support, for it's own sake and as an extension

example.

lib/Components/cPickle/copy_reg.py

@@ -9,3 +9,9 @@ def pickle(ob_type, pickle_function, constructor_ob = None):
 
 def constructor(object):
     safe_constructors[object] = 1
+
+def pickle_complex(c):
+    return complex,(c.real, c.imag)
+
+pickle(type(1j),pickle_complex,complex)
+