implemented the method get_old()

README.md

@@ -8,5 +8,5 @@ Get the most recent exchange rates
 **2.** `get_currencies`  
 get list of currency codes and names
 
-**3.** `get_old(date)` *(in development)*  
+**3.** `get_old(date)`  
 get rates for any given day, where available

example.rb

@@ -4,9 +4,11 @@ require 'openexchangerates'
 
 currency = OpenExchange.new('586ee899f7eb4f79861589a1f00a8630')
 cur = JSON.parse(currency.get_latest)
+cur_old = JSON.parse(currency.get_old('2010-12-31'))
 
 cur_show = 'RUB'
 
-puts "Latest update: #{Time.at(cur['timestamp'])}"
-puts "1 USD = #{cur['rates'][cur_show]} \
-(#{JSON.parse(currency.get_currencies)[cur_show]})"
+puts "#{Time.at(cur_old['timestamp'])} \n\t1 USD = #{cur['rates'][cur_show]} \
+#{JSON.parse(currency.get_currencies)[cur_show]}"
+puts "#{Time.at(cur['timestamp'])} \n\t1 USD = #{cur_old['rates'][cur_show]} \
+#{JSON.parse(currency.get_currencies)[cur_show]}"

lib/openexchangerates.rb

@@ -21,6 +21,7 @@ class OpenExchange
   def get_old(date) # YYYY-MM-DD
     json = open("#{@@url}historical/#{date}.json?app_id=#{@api_key}",
       'User-Agent' => @user_agent).read
+    return json
   end
 
   def get_currencies()

openexchangerates.gemspec

@@ -1,9 +1,9 @@
 Gem::Specification.new do |s|
   s.name        = 'openexchangerates'
-  s.version     = '0.0.1'
+  s.version     = '0.1.0'
   s.date        = '2012-12-06'
   s.summary     = 'Implementation API openexchangerates.org on Ruby'
-  s.description = 'Implementation API openexchangerates.org on Ruby'
+  s.description = '...'
   s.authors     = ['Alexander Popov']
   s.email       = ['iiiypuk@iiiypuk.me']
   s.homepage    = 'https://github.com/IIIypuk/openexchangerates'