backport https://github.com/Netflix/concurrency-limits/pull/153

[platinummonkey]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 142

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.4%) to 88.875%

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Totals
Change from base Build 139:	0.4%
Covered Lines:	727
Relevant Lines:	818

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💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 144

• 4 of 6 (66.67%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.08%) to 88.419%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
limit/aimd.go	4	6	66.67%

Totals
Change from base Build 139:	-0.08%
Covered Lines:	3390
Relevant Lines:	3834

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💛 - Coveralls