bump version number to 0.5.8
bump version number to 0.5.8

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