Bump cocoapods version

Author: Michael Choe

SwiftSVG.podspec

@@ -3,7 +3,7 @@
 Pod::Spec.new do |s| 
 
   s.name         = "SwiftSVG"
-  s.version      = "1.3.0"
+  s.version      = "1.3.1"
   s.summary      = "A simple SVG parser written in Swift"
   s.description  = "A single pass, performant SVG parser with multiple interface options including UI/NSBezierPath, CAShapeLayer, and UI/NSView"
   s.homepage     = "https://github.com/mchoe/SwiftSVG"