Merge pull request #4 from slogsdon/swift3-update

Swift 3 compatibility changes

Author: RealexITSO

Example/Podfile

@@ -2,9 +2,13 @@ source 'https://github.com/CocoaPods/Specs.git'
 use_frameworks!
 
 target 'RXPiOS_Example' do
+  platform :ios, '8.0'
+
   pod "RXPiOS", :path => "../"
 end
 
 target 'RXPiOS_Tests' do
+  platform :ios, '8.0'
+
   pod "RXPiOS", :path => "../"
 end