Milliseconds max is 999 as they rollover at 1000
Seconds max is 59 as they rollover at 60
Minutes max is 59 as they rollover at 60
Hours max is 23 as they rollover at 24
Days max is 29 as they rollover at 30
Years max is 11 as they rollover at 12
Merge pull request #98 from mjgallag/gh-pages

Subtract 1 from range of values for each duration time part to account for rollover