Making a transform for detecting the file type of content for which a Content-type header was not saved.  This avoids using python's re library, which hangs about 0.01% of the time... which is waaay too much.
Making a transform for detecting the file type of content for which a
Content-type header was not saved.  This avoids using python's re
library, which hangs about 0.01% of the time... which is waaay too
much.

trec-kba/streamcorpus-pipeline,trec-kba/streamcorpus-pipeline,trec-kba/streamcorpus-pipeline