Add Guard for easier testing

Author: SamSaffron

Gemfile

@@ -2,6 +2,8 @@ source "http://rubygems.org"
 
 gem 'fastimage', '~> 1.2.13'
 gem 'rake'
+gem 'guard'
+gem 'guard-rspec'
 
 group :test do
   gem "fakeweb",      "~> 1.3.0"

Guardfile

@@ -0,0 +1,9 @@
+# A sample Guardfile
+# More info at https://github.com/guard/guard#readme
+
+guard :rspec do
+  watch(%r{^spec/.+_spec\.rb$})
+  watch(%r{^lib/(.+)\.rb$})     { |m| "spec/lib/#{m[1]}_spec.rb" }
+  watch('spec/spec_helper.rb')  { "spec" }
+end
+