Do not 404 in rack attack on invalid url.
Do not 404 in rack attack on invalid url.

rubygems/rubygems.org,sonalkr132/rubygems.org,rubygems/rubygems.org,rubygems/rubygems.org,sonalkr132/rubygems.org,rubygems/rubygems.org,sonalkr132/rubygems.org,sonalkr132/rubygems.org