Bar graph added.

node_modules/needle/test/long_string_spec.js

@@ -0,0 +1,34 @@
+var needle = require('../'),
+    should = require('should');
+
+describe('when posting a very long string', function() {
+
+  this.timeout(20000);
+
+  function get_string(length) {
+    var str = '';
+    for (var i = 0; i < length; i++) {
+      str += 'x';
+    }
+    return str;
+  }
+
+  it("shouldn't throw an EPIPE error out of nowhere", function(done) {
+    var error;
+
+    function finished() {
+      setTimeout(function() {
+        should.not.exist(error);
+        done();
+      }, 300);
+    }
+
+    try {
+      needle.post('https://google.com', { data: get_string(Math.pow(2, 20)) }, finished)
+    } catch(e) {
+      error = e;
+    }
+
+  })
+
+})