ugrep v3.7.8

New complementary options --min-depth, --max-depth, --min-line and --max-line which are added for consistency with the updated options --min-count and --max-count. Updated the --min-count option, which can now be combined with any other option except with -v (--invert-match). Updated option -K (--range) to take a MAX argument instead of a FIRST argument for consistency with other min/max options. Recursive searching sysfd, such as /proc and /sys, no longer blocks on special files/devices. Fixed inconsistent colorization with option -v when used with context options -A, -B and -C. Fixed option -r when combined with file argument - (read standard input), which does both, like GNU grep. Updated --stats reporting and other minor improvements.