[Tests] switch from tap to tape

package.json

@@ -1,33 +1,34 @@
 {
-    "name" : "buffer-equal",
-    "description" : "return whether two buffers are equal",
-    "version" : "1.0.0",
-    "repository" : {
-        "type" : "git",
-        "url" : "git://github.com/substack/node-buffer-equal.git"
+    "name": "buffer-equal",
+    "description": "return whether two buffers are equal",
+    "version": "1.0.0",
+    "repository": {
+        "type": "git",
+        "url": "git://github.com/substack/node-buffer-equal.git"
     },
-    "main" : "index.js",
-    "keywords" : [
+    "main": "index.js",
+    "keywords": [
         "buffer",
         "equal"
     ],
-    "directories" : {
-        "example" : "example",
-        "test" : "test"
+    "directories": {
+        "example": "example",
+        "test": "test"
     },
-    "scripts" : {
-        "test" : "tap test/*.js"
+    "scripts": {
+        "tests-only": "tape 'test/**/*.js'",
+        "test": "npm run tests-only"
     },
-    "devDependencies" : {
-        "tap" : "0.2.4"
+    "devDependencies": {
+        "tape": "^5.6.1"
     },
-    "engines" : {
-        "node" : ">=0.4.0"
+    "engines": {
+        "node": ">=0.4"
     },
-    "license" : "MIT",
-    "author" : {
-        "name" : "James Halliday",
-        "email" : "mail@substack.net",
-        "url" : "http://substack.net"
+    "license": "MIT",
+    "author": {
+        "name": "James Halliday",
+        "email": "mail@substack.net",
+        "url": "http://substack.net"
     }
 }

test/eq.js

@@ -1,5 +1,7 @@
+'use strict';
+
 var bufferEqual = require('../');
-var test = require('tap').test;
+var test = require('tape');
 
 test('equal', function (t) {
     var eq = bufferEqual(