Added some tests

tests/node_modules/tap-out/bin/cmd.js

@@ -0,0 +1,21 @@
+#!/usr/bin/env node
+
+var tapOut = require('../');
+
+var parser = tapOut(function (err, output) {
+  
+  if (err) {
+    throw err;
+  }
+  
+  var out = output;
+  
+  try {
+    out = JSON.stringify(output, null, 2);
+  }
+  catch (e) {}
+  
+  process.stdout.write(out);
+});
+
+process.stdin.pipe(parser);