* make gen_tree 0.1% faster
* improve filekey warning message
* fix oversight in 0c50ea1757
* support `--xdev` on windows (the python docs mention that os.scandir
doesn't assign st_ino, st_dev and st_nlink on win but i can't read)
* permission `.` grants dotfile visibility if user has `r` too
* `-ed` will grant dotfiles to all `r` accounts (same as before)
* volflag `dots` likewise
also drops compatibility for pre-0.12.0 `-v` syntax
(`-v .::red` will no longer translate to `-v .::r,ed`)
when moving/deleting a file, all symlinked dupes are verified to ensure
this action does not break any symlinks, however it did this by checking
the realpath of each link. This was not good enough, since the deleted
file may be a part of a series of nested symlinks
this situation occurs because the deduper tries to keep relative
symlinks as close as possible, only traversing into parent/sibling
folders as required, which can lead to several levels of nested links
* start banning malicious clients according to --ban-422
* reply with a blank 500 to stop firefox from retrying like 20 times
* allow Cc's in a few specific URL params (filenames, dirnames)
hitting enter would clear out an entire chain of modals,
because the event didn't get consumed like it should,
so let's make double sure that will be the case
connections from outside the specified list of IP prefixes are rejected
(docker-friendly alternative to -i 127.0.0.1)
also mkdir any missing folders when logging to file