the second include was never removed, causing an endless loop.

Changed "Erweitertet" to "Erweitert" since the word "Erweitertet" does not exist, see: http://www.duden.de/suchen/dudenonline?s=erweitertet

Also, see leo.org translation for "advanced" to german: http://dict.leo.org/ende/index_de.html#/search=advanced&searchLoc=0&resultOrder=basic&multiwordShowSingle=on

Web path was used instead of filesystem one.

source maps are invalid for our dispatched sources and may even cause
problems. this makes sure any sourcemap declarations are stripped from
the output

The dot was missing i.e. the cache files had no real extension at all.