Polars-upgrade 0.3.5

Several new fixes, getting close to Polars 1.0!

Try this out with

polars-upgrade -t 1.0 .

on a codebase you'd like to make Polars 1.0+

Hint: you may want to check you current files are all under version control...polars-upgrade will modify your files in-place

0.3.2

0.3.2

0.3.1

0.3.1

0.3.0

0.3.0

0.2.4

0.2.4

0.2.2

0.2.2

0.2.1

0.2.1