Bump version to 2.0.0

Author: p4checo

APNSubGroupOperationQueue.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
     s.name         = "APNSubGroupOperationQueue"
-    s.version      = "1.0.3"
+    s.version      = "2.0.0"
     s.summary      = "Serial processing sub groups inside your concurrent NSOperationQueue."
     s.description  = "APNSubGroupOperationQueue is a µFramework consisting of `NSOperationQueue` subclasses (Swift & Obj-C) which allow scheduling operations in serial subgroups inside a concurrent queue"
 
@@ -20,4 +20,4 @@ Pod::Spec.new do |s|
     s.source_files = "Sources/**/SubGroupOperationQueue.{h,m,swift}"
 
     s.framework = "Foundation"
-end
+end