Fix .truncate (closes GH-2407)
Fix .truncate (closes GH-2407)

ifduyue/sentry,fotinakis/sentry,looker/sentry,nicholasserra/sentry,gencer/sentry,jean/sentry,ifduyue/sentry,BuildingLink/sentry,beeftornado/sentry,JackDanger/sentry,ifduyue/sentry,BuildingLink/sentry,looker/sentry,mitsuhiko/sentry,mvaled/sentry,ifduyue/sentry,daevaorn/sentry,daevaorn/sentry,jean/sentry,zenefits/sentry,JamesMura/sentry,looker/sentry,zenefits/sentry,daevaorn/sentry,gencer/sentry,beeftornado/sentry,JackDanger/sentry,mvaled/sentry,BuildingLink/sentry,jean/sentry,looker/sentry,jean/sentry,alexm92/sentry,zenefits/sentry,JamesMura/sentry,mvaled/sentry,JamesMura/sentry,nicholasserra/sentry,beeftornado/sentry,fotinakis/sentry,gencer/sentry,JamesMura/sentry,gencer/sentry,BuildingLink/sentry,fotinakis/sentry,JackDanger/sentry,alexm92/sentry,nicholasserra/sentry,mvaled/sentry,mitsuhiko/sentry,gencer/sentry,ifduyue/sentry,fotinakis/sentry,zenefits/sentry,mvaled/sentry,jean/sentry,mvaled/sentry,JamesMura/sentry,daevaorn/sentry,looker/sentry,alexm92/sentry,zenefits/sentry,BuildingLink/sentry