Merge pull request #2 from peregrinogris/fix-tests

Tests: Complete tests for all the resources.
Merge pull request #3 from Mango/develop

Merge develop into master
Core: complete composer.json.
Merge pull request #5 from peregrinogris/fix-composer-json

Core: complete composer.json.
Merge branch 'master' into fix-use-exceptions

Conflicts:
	composer.json