net.http.files: Fix #1927 Problem was type confusion where the `data` variable was expected to be a string later but ended up being the table stored in the cache. Here a different variable is used for the cache entry and the data.

module:log("error", "mod_pep_plus has been renamed to mod_pep, please update your config file. Auto-loading mod_pep...");
module:depends("pep");