Updated podspec version

Author: Joe Newton

KeyValueObservation.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name                = "KeyValueObservation"
-  s.version             = "1.0.2"
+  s.version             = "1.0.3"
   s.summary             = "A small KVO helper library"
   s.description         = <<-DESC
                           A small KVO helper library that provides a NSObject and a NSArray category for observing key value changes using blocks