Bump version to 0.2.2 (#121)

Author: dduan

.swift-version

@@ -1,3 +1,5 @@
 ## master
 
+## 0.2.2
+
 - Removed a build warning in Swift 5.2

CHANGELOG.md

@@ -1,6 +1,6 @@
 Pod::Spec.new do |spec|
   spec.name                     = "Pathos"
-  spec.version                  = "0.2.1"
+  spec.version                  = "0.2.2"
   spec.summary                  = "A file management library for Swift"
   spec.homepage                 = "https://github.com/dduan/Pathos"
   spec.license                  = { :type => "MIT", :file => "LICENSE.md" }
@@ -11,4 +11,5 @@ Pod::Spec.new do |spec|
   spec.source_files             = "Sources/**/*.swift"
   spec.requires_arc             = true
   spec.module_name              = "Pathos"
+  spec.swift_versions           = ['5.1']
 end

Pathos.podspec

@@ -60,7 +60,7 @@ github "dduan/Pathos"
 #### With [SwiftPM](https://swift.org/package-manager)
 
 ```swift
-.package(url: "http://github.com/dduan/Pathos", from: "0.2.1")
+.package(url: "http://github.com/dduan/Pathos", from: "0.2.2")
 ```
 ## Overview
 

README.md

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.2.1</string>
+	<string>0.2.2</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>