Log Message:
update to 4.7.6
changes:
-Compatibility with Python 3.0.1
-"DB.has_key()" used to return 0 or 1. Changed to return
 True or False instead. Check your code!
-Change "DBSequence.init_value()" to \ 
"DBSequence.initial_value()",
 for consistence with Berkeley DB real method name. This could
 require minimal changes in your code. The documentation was
 right.
-add more bindings