Tidy up

Updated tests for compatibility with refactor

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Make flaky test optional passing

Add more helpful warnings

Add test for custom complexities

Add constraints test with custom operator

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Add nested_constraints feature

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Tweak deprecation test for UserWarning

Add test for deprecations

Force array copy in test to try to prevent error

Make pipeline tests reproducibile

Make tests always choose most accurate equation

Roll back some test changes for new hyperparams

Double default populations in test

Fix model_selection in test

Change default test kwargs to accurate model selection

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Double default niterations in test

Change default test parameters

Make function names work when custom function has underscore

Test custom operator with underscore

Merge pull request #127 from MilesCranmer/Manual-model-selection

Allow y to be a pandas dataframe or series

Add test of other multioutput indexes

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Test multi-output manual model selection

Add tests of index selection

Fix bad keyword arguments in test

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Beef up testing settings

Apply verbosity=0 to Pkg statements

Bump SymReg version with loss output fix

Turn off parsimony in test

Lower requirements for noise test

Fix version of pyjulia

Fix state saving test

Fix state saving test

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Add test for multirun

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Fix test for PySRRegressor

Get PySRRegressor working with multi-output

Update parts of test to use ScikitLearn interface

Add .latex() representation to PySRRegressor

Test more parts of sklearn API

Test __repr__ of sklearn

Fix broken test statement