Fix Artix checker and make wrong http code raise error #3

Fixed artix checking, but it looks like a few other projects don't have proper checker either. I'll post the new broken projects here once I run it through

We can merge, deploy and see if it works

on my own machine:

Error: GentooDistfiles
404 Client Error: Not Found for url: http://mirror.csclub.uwaterloo.ca/gentoo-distfilesdistfiles/timestamp.dev-local

Error: opensuse
HTTPConnectionPool(host='download.opensuse.org', port=80): Max retries exceeded with url: /update/ (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f1c128e09a0>: Failed to establish a new connection: [Errno 101] Network is unreachable'))

Error: tdf
404 Client Error: Not Found for url: https://download.documentfoundation.org/TIMESTAMPtdf/TIMESTAMP

Error: ubuntu_ports_releases
HTTPSConnectionPool(host='cdimage.ubuntu.com', port=443): Max retries exceeded with url: /releases/21.04/release/ (Caused by NewConnectionError('<urllib3.connection.HTTPSConnection object at 0x7f1c0d250b80>: Failed to establish a new connection: [Errno 101] Network is unreachable'))

Fix Artix checker and make wrong http code raise error #3

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