Riptable

* Black formatting
* Improve default label cut time
* Changed filter implementation
* Docstrings: Minor cleanup of three rt_fastarray.py methods
* Docstrings: fa.isfinite, rt.isfinite
* Forward all args passed into rt_fastarrray.unique()

Docstrings: rt.isnotnan, fa.isnan, fa.isnotnan

FastArray docstring updates: get_name, set_name

Docstrings: Update fa.get_name and fa.set_name

Docstrings: rt.isnanorzero, fa.isnanorzero

Have a slimmer host env

add rt.FA.nanmedian

FastArray math method docstring updates

Add type hints.

Fix1d where

Have count check if packing was with filter

Add weakref cache to avoid cycles

Return values for sum, mean, var, std and nan versions

Dataset docstring updates: fillna, concat_columns, concat_rows, hstack, get_nrows, size, dtypes

Fill and replace methods 1

Implement full staticmethod on Categorical, analogous to rt.full.

Numba apply

What's Changed
* Improve test run scripts by OrestZborowski-SIG in https://github.com/rtosholdings/riptable/pull/314
* Latest changes by OrestZborowski-SIG in https://github.com/rtosholdings/riptable/pull/318


**Full Changelog**: https://github.com/rtosholdings/riptable/compare/v1.3.5...v1.3.6

What's Changed
* Revert "Merge pull request 309 from rtosholdings/expose-op-methods" by OrestZborowski-SIG in https://github.com/rtosholdings/riptable/pull/311


**Full Changelog**: https://github.com/rtosholdings/riptable/compare/v1.3.4...v1.3.5

What's Changed
* accum2 does not use filter information for outer operations by staffantj in https://github.com/rtosholdings/riptable/pull/308
* Expose op methods by eoincondron in https://github.com/rtosholdings/riptable/pull/309
* Update test_is_member_casting_big_uints by staffantj in https://github.com/rtosholdings/riptable/pull/310
* Improve math funcs and docs by OrestZborowski-SIG in https://github.com/rtosholdings/riptable/pull/275


**Full Changelog**: https://github.com/rtosholdings/riptable/compare/v1.3.3...v1.3.4