Bump cocoapods version to v2.1.1

Author: CaliCastle

NewPopMenu.podspec

@@ -1,11 +1,11 @@
 Pod::Spec.new do |spec|
   spec.name         = 'NewPopMenu'
-  spec.version      = '2.0.0'
+  spec.version      = '2.1.1'
   spec.license      = { :type => 'MIT', :file => "LICENSE" }
   spec.homepage     = 'https://github.com/CaliCastle/PopMenu'
   spec.authors      = { 'Cali Castle' => '[email protected]' }
   spec.summary      = 'A cool and customizable popup action sheet for iOS'
-  spec.source       = { :git => 'https://github.com/CaliCastle/PopMenu.git', :tag => 'v2.0.0' }
+  spec.source       = { :git => 'https://github.com/CaliCastle/PopMenu.git', :tag => 'v2.1.1' }
   spec.source_files = 'PopMenu/**/*.{h,swift}'
 
   spec.module_name = "PopMenu"