age_group 0.0.1

A simple gem to set the age category of a user given a date of birth. Given a string representation of date of birth in the format yyyy-mm-dd e.g; AgeGroup.setAgeCategory(1990-01-01) will return "Young Adult" as their age category Age Ranges: 0-2 > Infant 3-5 > Young Child 7-12 > Child 13-17 > Teen 18-30 > Young Adult 31-45 > Middle Aged 46-64 > Mature Adult 65+ > Elderly