Check for isolated input before printing shell exports. Fixes arq5x/gemini#308
Check for isolated input before printing shell exports. Fixes arq5x/gemini#308

elkingtonmcb/cloudbiolinux,kdaily/cloudbiolinux,AICIDNN/cloudbiolinux,AICIDNN/cloudbiolinux,heuermh/cloudbiolinux,pjotrp/cloudbiolinux,AICIDNN/cloudbiolinux,rchekaluk/cloudbiolinux,chapmanb/cloudbiolinux,joemphilips/cloudbiolinux,kdaily/cloudbiolinux,AICIDNN/cloudbiolinux,lpantano/cloudbiolinux,elkingtonmcb/cloudbiolinux,kdaily/cloudbiolinux,lpantano/cloudbiolinux,pjotrp/cloudbiolinux,averagehat/cloudbiolinux,chapmanb/cloudbiolinux,elkingtonmcb/cloudbiolinux,chapmanb/cloudbiolinux,averagehat/cloudbiolinux,chapmanb/cloudbiolinux,heuermh/cloudbiolinux,joemphilips/cloudbiolinux,joemphilips/cloudbiolinux,averagehat/cloudbiolinux,joemphilips/cloudbiolinux,kdaily/cloudbiolinux,rchekaluk/cloudbiolinux,rchekaluk/cloudbiolinux,rchekaluk/cloudbiolinux,lpantano/cloudbiolinux,pjotrp/cloudbiolinux,heuermh/cloudbiolinux,pjotrp/cloudbiolinux,elkingtonmcb/cloudbiolinux,averagehat/cloudbiolinux,heuermh/cloudbiolinux