gokcehan/lf r41 on GitHub

The previewer script no longer skips non-regular files (#2327).
Line numbers now take up less space when both number and relativenumber are enabled (#2331).
Changes have been made to ruler configuration (#2338):
- The ruler file is no longer experimental.
- The ruler file will be used by default unless rulerfmt (now a blank string by default) is specified.
- The ruler file is no longer read from fixed locations like ~/.config/lf/ruler, and instead the rulerfile option has been repurposed to specify the path of the ruler file.

A new server command list is added to print the IDs of all currently connected clients (#2314).
The previewer and cleaner scripts now have their stderr output logged (#2316).
The ruler file now supports .Stat.Extension, .Stat.AccessTime, .Stat.BirthTime, .Stat.ChangeTime and .Stat.CustomInfo (#2329), as well as .Stat.DirSize and .Stat.DirCount (#2343).
A new option mergeindicators is added to reduce the gap before filenames, by merging tag and selection indicators into a single column (#2330).

A bug where sixel images fail to display when scrolling back and forth is now fixed (#2301).
Newline characters are now ignored when drawing the ruler with the ruler file configured (#2319).
A potential crash when using the scroll-up/scroll-down commands is now fixed (#2320).
Case-insensitive command-line completions no longer cause user input to be displayed in lowercase (#2336).
Calculation of window widths for the ratios option is now more accurate (#2347).