Merge pull request #15 from teugis/master

Added index to prevent source duplication.
Merge pull request #16 from teugis/master

Implemented new service interface.
Merge pull request #17 from teugis/master

Added url to source definition.
Bug fix iin Accept answer
Merge remote-tracking branch 'upstream/master'
Implemented answer service
Merge pull request #18 from daanvc/master

implemented answer service
Merge pull request #20 from teugis/master

Fixed the answer states so they make sense
Merged Main repo in my fork.