String::capitalize = ->
@charAt(0).toUpperCase() + @slice(1)
String::strip = ->
if String::trim? then @trim() else @replace /^\s+|\s+$/g, ""
Number::humanize = ->
interval = this res = "" s = interval % 60 res = "#{s} s" if s > 0 interval = (interval - s) / 60 return res unless interval > 0 m = interval % 60 res = "#{m} m #{res}".strip() if m > 0 interval = (interval - m) / 60 return res unless interval > 0 h = interval % 24 res = "#{h} h #{res}".strip() if h > 0 d = (interval - h) / 24 if d > 0 "#{d} d #{res}".strip() else res