Improve error handling for time ranges in TSDB CLI.
Improve error handling for time ranges in TSDB CLI.

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