Added spec helper file

spec/helper.rb

@@ -0,0 +1,25 @@
+$:.unshift File.expand_path('..', __FILE__)
+$:.unshift File.expand_path('../../lib', __FILE__)
+require 'simplecov'
+SimpleCov.start
+require 'windy'
+require 'rspec'
+require 'webmock/rspec'
+
+
+def a_get(path)
+  a_request(:get, 'http://data.cityofchicago.org/' + path)
+end
+
+def stub_get(path)
+  stub_request(:get, 'http://data.cityofchicago.org/' + path)
+end
+
+def fixture_path
+  File.expand_path('../fixtures', __FILE__)
+end
+
+def fixture(file)
+  File.new(fixture_path + '/' + file)
+end
+