modified:   core/io.sh
  Cleaned up init and setup to just return.
  Cleaned up old style syntax in io-exception.
  Added an io-hey funciton for alerting the user in red.
modified:   core/mbs-lib.sh
  Updated mbs-lib-try-switch-dir to have a quiet flag.
  Added some TODOs
modified:   ext/mbs-assert.sh
  Put args in quotes in case some strings with spaces are passed to be safe.
  Fixed the io-exception to be more descriptive.
  Fixed the mbs-assert-file exception to be more accurate/descriptive.
modified:   ext/mbs-do.sh
  Fixed Issue #72 on github to contain mbs-do-post-load to the current environment insted of sharing a file.