#4 Add Uppercase

Just found a site that requires 1 uppercase, 1 lowercase, 1 number, and at least 8 characters long.

This doesn't ever do that.

Maybe 50% chance to generate an uppercase letter instead of lowercase?

Nope, we need to follow Qwerty Cards rule for the Spacebar part

The 'space bar' code on every qwerty card always contains at least one number, one lower case letter, one upper case letter and one non alpha numeric character. This ensures all qwertycard passwords meet the minimum criteria very often required by websites to have at least one of each of these character types.

Oh, and they support numbers and symbols in the full code itself, not just in spacebar