Merge pull request #3 from PCAPredict/Swift-4.2

Podspec update for swift version

Author: hct-ux

PCAiOSLib.podspec

@@ -14,7 +14,8 @@ Pod::Spec.new do |s|
   s.summary = "The PCAiOSLib Cocoapod is an easy way to use the PCA Predict or Addressy type-ahead search technology within an iOS application."
   s.requires_arc = true
 
-  s.version = "1.1.1"
+  s.version = "1.1.2"
+  s.swift_version = '4.2'
 
   s.license = { :type => "BSD", :file => "LICENSE" }