module Geocoder

def self.configure(options = nil, &block)


)
:units => :km
:api_key => "2a9fsa983jaslfj982fjasd",
:lookup => :yandex,
:timeout => 5,
Geocoder.configure(

Configuration options should be set by passing a hash:
# 
def self.configure(options = nil, &block)
  if !options.nil?
    Configuration.instance.configure(options)
  end
end