Madness string 4263

Random mermaid
They can't separate themselves from their arguments so disagreeing with them is just the same as calling them names in their eyes.

Fixed misspelling of 'cahce' to 'cache', which was a critical bug that was breaking homepage. Then I removed cache completely. By the way, I haven't audited this code for security. In general, I would highly recommend against running PHP code on a public facing server. It's probably fine to run this (and mediawiki) on your local intranet disconnected from the internet (e.g. put it on a separate VLAN). Because the main use case of a blog is to have it not publicly facing.