Add cache support for getDirectories() method
Use memoize to avoid code duplication in Module class
Rename Module methods
Fix Util\Module docblocks
Merge pull request #8 from plopesc/util-module

Add cache support for getDirectories() method and refactor
Merge pull request #1 from mateu-aguilo-bosch/tests

Tests changes.
Merge pull request #11 from mateu-aguilo-bosch/util-module

Util module
Merge pull request #2 from mateu-aguilo-bosch/tests

Reduce expected values to the bare minimum.
Merge pull request #3 from mateu-aguilo-bosch/tests

Fixing Tests
Merge pull request #10 from plopesc/tests

Basic tests
Merge branch '7.x-1.x' into travis