Check that file doesn't exist before generating a new sails project.  Added _ and _.str dependencies to bin.
Check that file doesn't exist before generating a new sails project.  Added _ and _.str dependencies to bin.

marnusw/sails,curphey/sails,listepo/sails,togusafish/logikinc-_-sails,vip-git/sails,konstantinzolotarev/sails,giano/sails,alexferreira/sails,giano/sails,jakutis/sails,tjwebb/sails,jianpingw/sails,youprofit/sails,taogb/sails,saniko/soundcloud_mithril,hellowin/sails,robincafolla/sails-hbs,rlugojr/sails,Benew/sails,alex-zhang/sails,EdisonSu768/sails,antoniopol06/sails,cazulu/sails,yangchuoxian/sails,tempbottle/sails,prssn/sails,jianpingw/sails,JumpLink/sails,artBrown/sails,erkstruwe/sails,AnyPresence/sails,justsml/sails,adrianha/sails,haavardw/sails,saronwei/sails,jenalgit/sails,winlolo/sails,saniko/soundcloud_mithril,mnaughto/sails,Shyp/sails,zand3rs/sails,scippio/sails,hokkoo/sails,rlugojr/sails,sunnycmf/sails,Hanifb/sails,calling/sails,ctartist621/sails,janladaking/sails,metidia/sails,jsisaev1/sails,yinhe007/sails,t2013anurag/sails,rkJun/sails,Karnith/sails-for-gulp,kevinburke/sails,mphasize/sails,dylannnn/sails,corbanb/sails,dbuentello/sails,wsaccaco/sails,leobudima/sails,balderdashy/sails,harrissoerja/sails,pmq20/sails,apowers313/sails,anweiss/sails,boarderdav/sails,leedm777/sails,mauricionr/sails,xjpro/sails-windows-associations,baracudaengine/SailsUi,hokkoo/sails,antodoms/sails,Josebaseba/sails,vip-git/sails,shaunstanislaus/sails,krishnaglick/sails,denismars/sails,robincafolla/sails-hbs