better error handling for osproc.nim
better error handling for osproc.nim

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