------------------
- Make sure that calling structure_at with an array, list, or tuple all
behave the same. [98]
- Added support for linked scatter plots and multiple selections.
[104, 105, 109, 136]
- Added support for custom functions to define what a 'neighbor' is. [108]
- Fixed a bug that caused the interactive viewer when showing a dendrogram
loaded from a file. [106, 110]
- Added a 'prune' method to prune dendrograms after computing them. [111]
- Added support for brightness temperatures in Kelvin. [112]
- Cache/memoize catalog statistics. [115]
- Make sure that periodic boundaries (e.g. longitude) are properly
supported. [121]
- Added progress bar for catalog computation. [127]
- Better support for image WCS. [126, 137]
- Improve the performance of dendrogram loading. [131]
- Include dendrogram parameters in HDF5 files. [142, 145]
- Give HDUs names in FITS output. [144]