bump version to 0.1.8
bump version to 0.1.8

Bump version after fixing bug that prevented the creation of web instances

nanobox-io/nanobox-engine-nodejs,pagodabox/nanobox-engine-nodejs,pagodabox/nanobox-engine-nodejs,nanobox-io/nanobox-engine-nodejs,nanobox-io/nanobox-engine-nodejs,pagodabox/nanobox-engine-nodejs