Release v1.20.0

[Smoren]

New features

• Math
  • runningDifference()
  • runningDifferenceAsync()
  • runningMax()
  • runningMin()
  • runningMinAsync()
  • runningMaxAsync()
  • runningProduct()
  • runningProductAsync()
• Stream
  • runningDifference()
  • runningMax()
  • runningMin()
  • runningProduct()
• AsyncStream
  • runningDifference()
  • runningMax()
  • runningMin()
  • runningProduct()

[coveralls]

Pull Request Test Coverage Report for Build 4707039500

• 76 of 76 (100.0%) changed or added relevant lines in 5 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 4644725980:	0.0%
Covered Lines:	1267
Relevant Lines:	1267

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💛 - Coveralls