add two more links about ORM

documentation/general_notes.txt

@@ -71,8 +71,9 @@ finally you should step into:
 # for windows port: https://pypi.python.org/pypi/colorama
 
 # db ... https://github.com/coleifer/peewee
+         http://sqlobject.org/
+         http://www.sqlalchemy.org/
 
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-  
   
+