major reorganization of file structure

over/aux.py

@@ -0,0 +1,20 @@
+#! /usr/bin/env python3
+# encoding: utf-8
+
+import sys
+import traceback
+
+from . import text
+
+_print = text.Output('over.core', stream=sys.stderr)
+
+class DeprecationForwarder:
+	def __init__(self, target, old_name, new_name):
+		self._target = target
+		self._old_name = old_name
+		self._new_name = new_name
+	
+	def __getattr__(self, name):
+		caller = traceback.extract_stack()[-2]
+		_print('%s is deprecated, please use %s instead (%s:%d)' %(self._old_name, self._new_name, caller[0], caller[1]), text.prefix.warn)
+		return getattr(self._target, name)