Allow URLs with capital letters

[CsatariGergely]

Fixes: #832

[CsatariGergely]

The Java validator allows URLs with capitals.

[armintaenzertng]

Thanks for catching and fixing this!

Would you mind adding appropriate test cases to the test_valid_url test to document this behavior?

[CsatariGergely]

Humm, I would need some help with the testing @armintaenzertng . It looks like if I run pytest in my dev branch it is not running my modified code. I did pip3 install the local folder before, but still it seems that my changes are not running. Can you help me to figure this out?

[CsatariGergely]

@meretp can you help me with this testing issue?

[meretp]

@CsatariGergely sure, what exactly did you try? I don't see a test on this branch so I can't really reproduce your issue right now, did you follow the instructions from the Contributing.md file?

[meretp]

also, it would be good if you could rebase your changes on main and not merge the changes from main into this branch to keep the history clean

[CsatariGergely]

@meretp Thanks I think I've figured out the tests. I just did not know where to add an URI with capitals to test.
I've rebased to current main.