Make start use variadic argument for modes instead of array

Author: jayrhynas

Src/SwiftyTimer.swift

@@ -80,7 +80,9 @@ extension NSTimer {
     /// By default, the timer is scheduled on the current run loop for the default mode.
     /// Specify `runLoop` or `modes` to override these defaults.
 
-    public func start(runLoop: NSRunLoop = NSRunLoop.currentRunLoop(), modes: [String] = [NSDefaultRunLoopMode]) {
+    public func start(runLoop: NSRunLoop = NSRunLoop.currentRunLoop(), modes: String...) {
+        let modes = modes.count != 0 ? modes : [NSDefaultRunLoopMode]
+        
         for mode in modes {
             runLoop.addTimer(self, forMode: mode)
         }

Tests/SwiftyTimerTests/main.swift

@@ -62,7 +62,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
                 fired = true
             }
         }
-        timer4.start()
+        timer4.start(runLoop: NSRunLoop.currentRunLoop(), modes: NSDefaultRunLoopMode)
     }
 
     func test6() {