refactored the content-length header logic in request lib
refactored the content-length header logic in request lib

aedile/nightwatch,nightwatchjs/nightwatch,kpiwko/nightwatch,feedhenry/nightwatch,gatero/nightwatch,matskiv/nightwatch,byron7g7/nightwatch,prolificcoder/nightwatch,joel-airspring/nightwatch,nightwatchjs/nightwatch,candrews/nightwatch,awatson1978/nightwatch,aahill50/dibs-nightwatch,sethmcl/nightwatch,munro/nightwatch,noritama/nightwatch,beatfactor/nightwatch,ervinb/nightwatch,ervinb/nightwatch,haggyj/nightwatch,JonDum/nightwatch,teleological/nightwatch,lukaszw82/nightwatch,LucioFranco/nightwatch,campbellwmorgan/nightwatch,campbellwmorgan/nightwatch,ozymandias547/nightwatch,Crunch-io/nightwatch,miguelangelrr6/originnightwatch,AlphaGit/nightwatch,sknopf/nightwatch,joel-airspring/nightwatch,pmstss/nightwatch,mbixby/nightwatch,vikki/nightwatch,obulisaravanan/nightwatch,mobify/nightwatch,Crunch-io/nightwatch,vuthelinh/nightwatch,vinogradoff/nightwatch,bluemind-net/nightwatch,CoderK/nightwatch,iabw/nightwatch