Docfixes, improvements to random id generation. Most importantly, the `length` parameter of `random.id.present` is changed. A length of 1 now equals 1 character, before 1 was equal to 4 characters.
Docfixes, improvements to random id generation. Most importantly, the `length` parameter of `random.id.present` is changed. A length of 1 now equals 1 character, before 1 was equal to 4 characters.