0.4.2

Added slice_to_ascending_slice().

Updated BlockIndex.shape to internally cache the shape tuple.

Corrected BlockIndex.iter_select() handling of negative integers in sequences.

0.4.1

Updated BlockIndex.register() to handle 0-column 2D arrays and return False.

Added BlockIndex.rows, BlockIndex.columns properties.

Updated unset BlockIndex.dtype to return a float dtype.

0.4.0

Added BlockIndex, a tool to be used by TypeBlocks for mapping realized column positions to arrays.

Corrected potential issue in AK_CPL_resize_buffer that could segfault for very large offsets.

0.3.4

Simplified identification of pd.NaTType in isna_element().

0.3.3

Corrected potential memory leak in isna_element().

0.3.2

Optimization to delimited_to_arrays() character reading per line.

0.3.1

Improvements to delimited_to_arrays(), including proper loading of float16 types.

Extended deepcopy_array() to permit memo as None.

Corrected all compiler warnings on Windows.

0.3.0

Added first_true_1d(), first_true_2d(). Added tools for performance graphing.

0.2.9

Corrected segmentation fault resulting from attempting to parse invalid datetime64 strings in AK_CPL_to_array_via_cast.

0.2.8

Added include_none argument to isna_element(); implemented identification of Pandas pd.Timestamp NaT.