Release mainly to catch up with changes needed to keep up with upstream packages.
- updates to support megabeast (refactoring dust priors)
- added ACS SBC, WFC3/ACS narrow, and JWST bands
- improvements source density maps (diffspike option)
- added log A(V) spacing option
- added 2D dust prior step model that also depends on distance
- added absexponential distance prior
- various updates for upstream package changes
- documentation improvements