Changes in version 1.0.4 (2023-11-30) - Some warnings in the C++ code fixed. Changes in version 1.0.3 (2021-12-09) - An example of applying Scelestial on multiple sequence alignment is added to Vignette Changes in version 1.0.2 (2021-11-05) - The Scelestial C++ code updated. - The problem of stack limit on some distribution is solved.