Make class abstract
Add form_type property
Add arguments to configure method
Add GeneratorConfigFormBaseCommand class
Merge pull request #181 from jmolivas/issue_171

Issue 171
Update README.md
Merge pull request #182 from jmolivas/issue_171

Update README.md
Add space after comma
Change command class
Add space after comma
Merge pull request #184 from jmolivas/issue_171

Issue 171 - Update test