Updated fstubbed unctions to make calls.
Name of unit test library has changed.
Generalized argument parsing.
Unit testing library has changed names.
Bit updates to the test runner:

 * Added functions for running the tests for a beam file or a list of
   beam files.
 * Likewise for a list of modules.
 * Updated 'run' function to accept "types" (integration, system, or
   unit).
 * Added the ability to parse a "listener" parameter that would be
   passsed to erl.
Changed lfetool to check for using a custom listener.