Release 0.3.2

* Added tap functionality in contribution graph (thanks @mythodeia)
* Fixed a deprecation warning

TEAChart.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "TEAChart"
-  s.version      = "0.3.1"
+  s.version      = "0.3.2"
   s.summary      = "Simple and intuitive iOS chart library. Contribution graph, clock chart, and bar chart."
   s.homepage     = "https://github.com/xhacker/TEAChart"
   s.social_media_url = "https://twitter.com/xhacker"
@@ -9,7 +9,7 @@ Pod::Spec.new do |s|
   s.author       = { "Xhacker Liu" => "liu.dongyuan@gmail.com" }
 
   s.platform     = :ios, '6.0'
-  s.source       = { :git => "https://github.com/xhacker/TEAChart.git", :tag => "0.3.1" }
+  s.source       = { :git => "https://github.com/xhacker/TEAChart.git", :tag => "0.3.2" }
   s.source_files = 'TEAChart', 'TEAChart/**/*.{h,m}'
   s.requires_arc = true
 end