Implement Display and Error for EvalErr #1499

Job	Run time
Checks	1m 6s
Run fuzz targets (macos-latest, 3.7)	42m 27s
Run fuzz targets (ubuntu-latest, 3.7)	31m 40s
Unit tests (macos-latest, 3.7)	8m 14s
Unit tests (ubuntu-latest, 3.7)	5m 30s
Unit tests (windows-latest, 3.7)	11m 16s
Wheel on macos-latest py-3.7	4m 22s
Wheel on ubuntu-latest py-3.7	4m 10s
Wheel on windows-latest py-3.7	4m 51s
coverage	24m 1s
	2h 17m 37s

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