concrete5/concrete5 — pull request #1543 by mlocati (2013-12-07 18:44:08+00:00)
Title: Fix date range calculations when interval >1 year

Let's consider the **total** number of months when doing date calculations.

Bug tracker: http://www.concrete5.org/developers/bugs/5-6-2-1/blog-date-archive-block/#573700

Credits to [Guido](http://www.concrete5.org/profile/-/70374/) :wink: