wrapfunction: use sysstr instead of bytes as argument in "fsmonitor" This is as valid and simpler, it will help us to eventually get ride of `safehasattr`.

wrapfunction: use sysstr instead of bytes as argument in "fastannotate" This is as valid and simpler, it will help us to eventually get ride of `safehasattr`.

wrapfunction: use sysstr instead of bytes as argument in "clonebundles" This is as valid and simpler, it will help us to eventually get ride of `safehasattr`.

wrapfunction: use sysstr instead of bytes as argument in "bookflow" This is as valid and simpler, it will help us to eventually get ride of `safehasattr`.

wrapfunction: use sysstr instead of bytes as argument in "beautifygraph" This is as valid and simpler, it will help us to eventually get ride of `safehasattr`.

byteify-strings: passe sysstr to attr function and wrapper These function now accepts string so we should not do byteify them anymore.

repoview: fix the filter created by `extrafilter` The `name` variable was updated in each interaction of the loop, making all new filters inheriting from the same base (the last one iterated), leading to terrible terrible misbehavior.

repoview: show `extrafilter` misbehave when other filtering is in play See new changeset for fix and details.

rust-config: add docstring to inner `get_parse` method The signature is quite heavy, a docstring to explain the idea doesn't hurt.

rust-config: add devel warning when using undeclared config items This mirrors the Python implementation now that we're done catching up.