add .flipBy and .swapBy on Tuple2 #46

Job	Run time
Build and Test (ubuntu-latest, 3.5.2, temurin@11)	40s
Build and Test (ubuntu-latest, 3.5.2, temurin@11)	1m 35s
Build and Test (ubuntu-latest, 3.5.2, temurin@17)	1m 55s
Build and Test (ubuntu-latest, 3.5.2, temurin@17)	1m 54s
Build and Test (ubuntu-latest, 3.5.2, temurin@19)	1m 45s
Build and Test (ubuntu-latest, 3.5.2, temurin@19)	1m 45s
Build and Test (ubuntu-latest, 3.5.2, temurin@21)	49s
Build and Test (ubuntu-latest, 3.5.2, temurin@21)	1m 54s
Build and Test (ubuntu-20.04, 3.5.2, temurin@11)	1m 50s
Build and Test (ubuntu-20.04, 3.5.2, temurin@11)	1m 50s
Build and Test (ubuntu-20.04, 3.5.2, temurin@17)	1m 49s
Build and Test (ubuntu-20.04, 3.5.2, temurin@17)	1m 49s
Build and Test (ubuntu-20.04, 3.5.2, temurin@19)	1m 44s
Build and Test (ubuntu-20.04, 3.5.2, temurin@19)	1m 44s
Build and Test (ubuntu-20.04, 3.5.2, temurin@21)	2m 10s
Build and Test (ubuntu-20.04, 3.5.2, temurin@21)	2m 10s
Build and Test (macos-latest, 3.5.2, temurin@11)	8s
Build and Test (macos-latest, 3.5.2, temurin@11)	2m 17s
Build and Test (macos-latest, 3.5.2, temurin@17)	47s
Build and Test (macos-latest, 3.5.2, temurin@17)	1m 46s
Build and Test (macos-latest, 3.5.2, temurin@19)	47s
Build and Test (macos-latest, 3.5.2, temurin@19)	1m 45s
Build and Test (macos-latest, 3.5.2, temurin@21)	2m 4s
Build and Test (macos-latest, 3.5.2, temurin@21)	2m 6s
	39m 3s

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