modified prompt so that resourcing the prompt file doesn't include multiple copies of the custom prompt code in the PROMPT_COMMAND var
modified prompt so that resourcing the prompt file doesn't include multiple copies of the custom prompt code in the PROMPT_COMMAND var

TimeDelta/dotfiles,TimeDelta/dotfiles,TimeDelta/dotfiles,TimeDelta/dotfiles,TimeDelta/dotfiles,TimeDelta/dotfiles