Lava Filters - HumanizeTimeSpan

Description:Takes two datetimes and humanizes the difference like '1 day'. Supports 'Now' in either the start or end date.

Input:

"Person": {
    "FirstVisit": "2/14/2011",
    "SecondVisit": "3/18/2011"
}

Lava:

It was {{ Person.FirstVisit | HumanizeTimeSpan:Person.SecondVisit }} 
between {{ Person.NickName }}'s first and second visit.

Output: It was 4 weeks between Ted's first and second visit.