Parses a header line for an old-style cookie (not Set-Cookie2), and stores the cookie in the cookies table. Only the
key and value are stored. Expected syntax: "Set-Cookie: NAME=VALUE[;...]" The key is stored in upper-case.
Parameters:
cookieLine - The string with the cookie in it.
isError
publicbooleanisError()
Returns true if the status token for this response represents an error, or false if the status token indicates the
page was retrieved okay. Note that a redirection is not an error.