Fix: Use File.read instead of cat on conflict level
Fix: Use File.read instead of cat on conflict level

Due to compatibility issues with Windows the call to the unix command
`cat` has been replaced with a ruby `File.read`

This fixes #133

wrestt/githug,kuramameng/githug,Limags/githug,mtam2/githug,Gazler/githug,Limags/githug,eshimel/githug,geoluther/githug,HanJisoo/Test,zachalewel/githug,youyou22/githug,Gazler/githug,FP-QAs/githug,FP-QAs/githug,eshimel/githug,resource11/githug,Limags/githug,kuramameng/githug,legendtkl/githug,kuramameng/githug,mtam2/githug,hydrox24/githug,raq929/githug,resource11/githug,wrestt/githug,youyou22/githug,sideci-sample/sideci-sample-githug,blueyi/githug,eshimel/githug,geoluther/githug,kaylal12/githug,sideci-sample/sideci-sample-githug,jackmaney/githug,mtam2/githug,HanJisoo/Test,legendtkl/githug,raq929/githug,jackmaney/githug,geoluther/githug,HanJisoo/Test,zachalewel/githug,Gazler/githug,hydrox24/githug,kaylal12/githug,raq929/githug,kaylal12/githug,wrestt/githug,blueyi/githug,ga-wdi-boston/githug,legendtkl/githug,youyou22/githug,blueyi/githug,resource11/githug,FP-QAs/githug,zachalewel/githug,ga-wdi-boston/githug,jackmaney/githug,FP-QAs/githug,hydrox24/githug