* Split $MYDIRS, syncenv(), bootstrapStandardDirs() into
  a separate file.
* Added myBasename() and resource()
* Cleaned up another couple of conditionals.
* Fixed up bincidr()
* Camel-cased currentPrompt()
* Changed vp() and sp() to point at env/.bashrc in prep
  for the new workflow I have in mind
* Added vish()