Riptable

What's Changed
* Add py39 by OrestZborowski-SIG in https://github.com/rtosholdings/riptable/pull/282
* Add numpy version to meta.yaml by OrestZborowski-SIG in https://github.com/rtosholdings/riptable/pull/283
* Use unique cat column name in apply() result by OrestZborowski-SIG in https://github.com/rtosholdings/riptable/pull/286


**Full Changelog**: https://github.com/rtosholdings/riptable/compare/v1.2.6...v1.2.7

What's Changed
* Expand dtype to int64 before converting to seconds by OrestZborowski-SIG in https://github.com/rtosholdings/riptable/pull/278
* Don't call rc.SetItem for unsupported cases by OrestZborowski-SIG in https://github.com/rtosholdings/riptable/pull/281


**Full Changelog**: https://github.com/rtosholdings/riptable/compare/v1.2.5...v1.2.6

What's Changed
* Extend datetime support through 2099 by OrestZborowski-SIG in https://github.com/rtosholdings/riptable/pull/276


**Full Changelog**: https://github.com/rtosholdings/riptable/compare/v1.2.4...v1.2.5

What's Changed
* Set riptable_cpp min pin to x.x.x by OrestZborowski-SIG in https://github.com/rtosholdings/riptable/pull/273


**Full Changelog**: https://github.com/rtosholdings/riptable/compare/v1.2.3...v1.2.4

What's Changed
* Avoid exception upon missing attributes. by OrestZborowski-SIG in https://github.com/rtosholdings/riptable/pull/267
* Update riptide_cpp to 1.7.4 by OrestZborowski-SIG in https://github.com/rtosholdings/riptable/pull/270


**Full Changelog**: https://github.com/rtosholdings/riptable/compare/v1.2.2...v1.2.3

What's Changed
* Fix Dataset.melt() for hstackable types by OrestZborowski-SIG in https://github.com/rtosholdings/riptable/pull/261
* Work around pyarrow bytestring to stringarray bug by OrestZborowski-SIG in https://github.com/rtosholdings/riptable/pull/250
* Control numba caching with global setting. by jack-pappas in https://github.com/rtosholdings/riptable/pull/263


**Full Changelog**: https://github.com/rtosholdings/riptable/compare/v1.2.1...v1.2.2