Allow closing underlying connection. (#67)

Fixes #66.

lib/sawyer/agent.rb

@@ -48,6 +48,11 @@ def initialize(endpoint, options = nil)
       yield @conn if block_given?
     end
 
+    # Public: Close the underlying connection.
+    def close
+      @conn.close
+    end
+
     # Public: Retains a reference to the root relations of the API.
     #
     # Returns a Sawyer::Relation::Map.

sawyer.gemspec

@@ -17,7 +17,7 @@ Gem::Specification.new do |spec|
   spec.homepage = 'https://github.com/lostisland/sawyer'
   spec.licenses = ['MIT']
 
-  spec.add_dependency 'faraday',      ['> 0.8', '< 2.0']
+  spec.add_dependency 'faraday', "~> 1.0"
   spec.add_dependency 'addressable', ['>= 2.3.5']
 
   spec.files = %w(Gemfile LICENSE.md README.md Rakefile)

test/agent_test.rb

@@ -22,6 +22,10 @@ def setup
       end
     end
 
+    def test_close
+      @agent.close
+    end
+
     def test_accesses_root_relations
       @stubs.get '/a/' do |env|
         assert_equal 'foo.com', env[:url].host