Updated to swift 4.2

.travis.yml

@@ -3,13 +3,13 @@
 # * https://github.com/supermarin/xcpretty#usage
 
 language: objective-c
-osx_image: xcode7.3
+osx_image: xcode10.1
 
 cache: cocoapods
 podfile: Example/Podfile
 before_install:
- - gem install cocoapods # Since Travis is not always on latest version
- - pod install --project-directory=Example
+  - gem install cocoapods # Since Travis is not always on latest version
+  - pod install --project-directory=Example
 
 script:
- - set -e && xcodebuild -workspace Example/UILoadControl.xcworkspace -scheme UILoadControl-Example -sdk iphonesimulator -destination 'platform=iOS Simulator,OS=9.1,name=iPhone 6' ONLY_ACTIVE_ARCH=NO clean build
+  - set -e && xcodebuild -workspace Example/UILoadControl.xcworkspace -scheme UILoadControl-Example -sdk iphonesimulator -destination 'platform=iOS Simulator,OS=12.1,name=iPhone 8' ONLY_ACTIVE_ARCH=NO clean build

Example/Podfile

@@ -1,4 +1,6 @@
 source 'https://github.com/CocoaPods/Specs.git'
+platform :ios, '8.0'
+
 use_frameworks!
 
 target 'UILoadControl_Example' do

Example/Podfile.lock

@@ -0,0 +1,16 @@
+PODS:
+  - UILoadControl (2.2.0)
+
+DEPENDENCIES:
+  - UILoadControl (from `../`)
+
+EXTERNAL SOURCES:
+  UILoadControl:
+    :path: "../"
+
+SPEC CHECKSUMS:
+  UILoadControl: 48ed8c4b1bb94a481a56ecab2d66229a4ff30cfe
+
+PODFILE CHECKSUM: 2bf7feadd90cb7c3fd55d9efb926f415e9a533e6
+
+COCOAPODS: 1.5.3