Changes in version 4.84:

• Update example_rcfiles/bib2gls_latexmkrc to deal with situation where .glstex file has basename of .bib file rather than that of main .tex file.
• Update example_rcfiles/asymptote_latexmkrc.
• Update example_rcfiles/splitindex_latexmkrc.
• Add example_rcfiles/memoize_latexmkrc.
• Improve detection of need to run makeindex (solves non-detection when imakeidx package is used with splitindex option).
• Implement final-output directory, with option -out2dir, variables $out2_dir, @out2_exts.
• Document hook mechanism.
• Document $allow_subdir_creation variable.