better error checking for install_tools.nims script
better error checking for install_tools.nims script

singularperturbation/Nim,singularperturbation/Nim,russpowers/Nim,singularperturbation/Nim,russpowers/Nim,jfhg/Nim,dom96/Nim,tulayang/Nim,jfhg/Nim,jfhg/Nim,tulayang/Nim,russpowers/Nim,jfhg/Nim,dom96/Nim,jfhg/Nim,singularperturbation/Nim,dom96/Nim,russpowers/Nim,dom96/Nim,singularperturbation/Nim,dom96/Nim,russpowers/Nim,tulayang/Nim,jfhg/Nim,singularperturbation/Nim,singularperturbation/Nim,russpowers/Nim,russpowers/Nim,dom96/Nim,jfhg/Nim,tulayang/Nim,dom96/Nim,tulayang/Nim,tulayang/Nim