Added comparison methods for granularity and verifying aggregation's code

Signed off by: Rafael Reggiani Manzo <rr.manzo@gmail.com>
Removing prints and adjusting tests fo scope check before aggregation
Fixed unit tests
Changed feature name

Signed-off-by: Renan Fichberg <rfichberg@gmail.com>
Merge pull request #41 from mezuro/bug_busters

Checks metric and module granularities before aggregating