Merge branch '2.0' of https://github.com/httpswift/swifter into 2.0

Sources/Server.swift

@@ -21,7 +21,7 @@ public class Server {
         #endif
     }
     
-    public func serve(_ callback: @escaping ((request: Request, responder: @escaping ((Response) -> Void))) -> Void) throws {
+    public func serve(_ callback: @escaping ((request: Request, responder: ((Response) -> Void))) -> Void) throws {
         
         try self.io.wait { event in
             

Swifter.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name                  = "Swifter"
-  s.version               = "1.3.2"
+  s.version               = "2.0.0-Xcode83b3"
   s.summary               = "Tiny http server engine written in Swift programming language."
   s.homepage              = "https://github.com/glock45/swifter"
   s.license               = { :type => 'Copyright', :file => 'LICENSE' }