Test case for utilities.
Use case for loopback guard.
Merge pull request #50 from enthought/tst-utils

Unit tests for utils.
Merge branch 'master' into augment-test-assistant-tests

# By Joris Vankerschaver
# Via IoannisTziakos (1) and Joris Vankerschaver (1)
* master:
  Use case for loopback guard.
  Test case for utilities.
pep8 and pyflakes
provide the full name for the enaml Object