lib/foursquare2/users.rb
def search_users_by_tip(options={})
      name = options.delete(:name)
      options[:limit] = 500
      tips = search_tips(options)
      user = []
      tips.each do |tip|
        user << tip['user'] if check_name(tip['user'], name)
      end
      user.uniq
  end
def search_users_by_tip(options={})
      name = options.delete(:name)
      options[:limit] = 500
      tips = search_tips(options)
      user = []
      tips.each do |tip|
        user << tip['user'] if check_name(tip['user'], name)
      end
      user.uniq
  end
Search for users by tip
 @param [Hash]  options
 @option options String :ll - Latitude and longitude in format LAT,LON
 @option options Integer :limit - The limit of results to return.
 @option options Integer :offset - Used to page through results.
 @option options String :filter - Set to 'friends' to limit tips to those from friends.
 @option options String :query - Only find tips matching this term.
 @option options String :name - Match on name