allow calling Beat() without passing in epoch

README.md

@@ -2,4 +2,13 @@
 
 Library for printing time in Swatch .beat time.
 
-More info [here](https://www.swatch.com/en_us/internet-time).
+More info on Swatch Internet Time [here](https://www.swatch.com/en_us/internet-time).
+
+## Usage
+
+``` Swift
+let nb = Beat()
+
+nb.int()    // Gives ya back an Int
+nb.text()   // Gives ya back a String
+```

Sources/Beat/Beat.swift

@@ -2,7 +2,7 @@ import Foundation
 
 public struct Beat {
     fileprivate var db: Int
-    public init(_ epoch: Double) {
+    public init(_ epoch: Double = Date().timeIntervalSince1970) {
         let utc_1 = Int(epoch + 3600)
         let r = utc_1%86400
         self.db = (Int(Double(r)/86.4))

Tests/BeatTests/BeatTests.swift

@@ -9,6 +9,11 @@ final class BeatTests: XCTestCase {
         XCTAssertGreaterThan(b.int(), 0)
         XCTAssertLessThan(b.int(), 1000)
         XCTAssertEqual(b.text(), "997")
+        
+        // now beat
+        let nb = Beat()
+        XCTAssertGreaterThan(nb.int(), 0)
+        XCTAssertLessThan(nb.int(), 1000)
     }
 
     static var allTests = [