added email validator
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
removed mx-check (no web requests allowed), added more hints.
fixed Dewey tests
Refactored code and fixed some bugs
fixed test
Merge remote-tracking branch 'upstream/master'
hopefully, the last commit
Merge pull request #213 from stelim/master

Goodie 'Email Validator' added