VizGrimoire/VizGrimoireR — pull request #27 by sanacl (2013-11-29 11:32:32+00:00)
Title: Code refactoring and tests for calculating the backlog of issues 

Code refactoring and tests for calculating the backlog of issues.
- Code refactored to get the weeks and months
- Code refactored to calculate the backlog
- Unit tests created

These changes fix #26