Fixed deepcopy for opentime.TimeRange#692

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reinecke merged 1 commit intoAcademySoftwareFoundation:masterfrom

reinecke:fix/timerange_deepcopy

May 7, 2020

Commits on May 6, 2020

Fixed incompatible function arguments error when using deepcopy with TimeRange. Added unittests for copy on RationalTime and TimeRange
reinecke
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