Space in session name throws cookie error

[Potolozi]

In the site.yaml where the session name can be configured, if the session name contains a space a cookie error is thrown when trying to initiate the session. There is also a field in the Admin Plugin>Configuration where this value is set by the user. The error "Cookie names cannot contain any of the following '=,; \t\r\n\013\014'" is thrown. This is easily replicated.

It would be logical to expect from a user not to introduce other characters in the session name, but it is not immediately apparent to the user that this error is due to the space in the session name. The user may think that the session name could be his site name since the default session name is "grav-site".

Either there has to be a strong warning that no spaces are allowed or spaces need to be converted into a different character.

[rhukster]

Sounds like we need to hypenize the session name.