code: function capitalize (value, options) {
    options = options || {}
    var onlyFirstLetter = options.onlyFirstLetter != null ? options.onlyFirstLetter : false
    if (!value && value !== 0) return ''
    if(onlyFirstLetter === true) {
      return value.charAt(0).toUpperCase() + value.slice(1)
    } else {
      value = value.toString().toLowerCase().split(' ')
      return value.map(function(item) {
        return item.charAt(0).toUpperCase() + item.slice(1)
      }).join(' ')
    }
  }
docs: Converts a string into Capitalize
  
  'abc' => 'Abc'
  
  @param {Object} options