[core] Re-enable preliminary module loading (stubbed)

Add logic for parsing commandline options, and a preliminary stub for
loading modules.

Note: The idea is that core.module.load() will return a valid, but
empty, module that displays an error, if the module cannot be loaded

core/module.py

@@ -0,0 +1,9 @@
+
+def load(module_name):
+    pass
+
+class Module(object):
+    def update(self):
+        pass
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4