Update version to 1.0.6

Author: michaelhsu9

INSPullToRefresh.podspec

@@ -1,12 +1,12 @@
 Pod::Spec.new do |s|
   s.name     = 'CNPullToRefresh'
-  s.version  = '1.0.3'
+  s.version  = '1.0.6'
   s.platform = :ios, '5.0'
   s.license  = 'MIT'
   s.summary  = 'A simple to use very generic pull-to-refresh and infinite scrolling functionalities as a UIScrollView category.'
   s.homepage = 'http://inspace.io'
   s.authors  = 'inspace.io'
-  s.source   = { :git => 'https://github.com/Colligo/INSPullToRefresh.git', :tag => '1.0.3' }
+  s.source   = { :git => 'https://github.com/Colligo/INSPullToRefresh.git', :tag => '1.0.6' }
   s.source_files = ['INSPullToRefresh/*.{h,m}','INSPullToRefreshSampleControls/Default/*.{h,m}','INSPullToRefreshSampleControls/INSAnimatable.h']
   s.requires_arc = true