fix user access to the private items

[kimakan]

See issue #20

[coveralls]

Pull Request Test Coverage Report for Build 3838569633

• 0 of 3 (0.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.009%) to 65.879%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
daiquiri/core/utils.py	0	3	0.0%
<!--	Total:	0	3	0.0%	-->

Totals
Change from base Build 3827943683:	-0.009%
Covered Lines:	4599
Relevant Lines:	6981

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💛 - Coveralls