remove redundant call to norm(). more tests and improved test code coverage.
remove redundant call to norm().
more tests and improved test code coverage.

cloudant/mochiweb,kuenishi/mochiweb,rabbitmq/mochiweb,jasonjli/mochiweb,rcouch/couchdb-mochiweb,riak-synrc/mochiweb,robertkowalski/mochiweb,vinoski/mochiweb,ubf/mochiweb,tsingpan/mochiweb,robertkowalski/mochiweb,GOFactory/mochiweb,vinoski/mochiweb,danogwok/mochiweb,danogwok/mochiweb,ubf/mochiweb,heroku/mochiweb,GOFactory/mochiweb,jasonjli/mochiweb,RJ/mochiweb-websockets,rabbitmq/mochiweb,tsingpan/mochiweb,mdg/mochiweb