v1.3.7

• Fix parallel Polars reads when a chunk contains only missing values, including datetime columns (#350)
• Updated Readstat sources to 98813868140c835fd56ce61de5894c3359b15c5e
• Updated source code and tests for polars 2
• variable_storage_width for SPSS string variables now returns the declared string width instead of the internal segment size (e.g., 1 for A1 instead of 8)
• The Readstat update solves #340, #298, #265 and #246 also #297, #264, #119