diff --git a/README.md b/README.md
index b361a1be0c348418f364f1521e35b922f782c0a3..a5c19225b9bb81c05928483ea34b5a5b5af214b3 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# aiogremlin 0.0.2 [(gizmo grew up)](https://pypi.python.org/pypi/gizmo/0.1.12)
+# aiogremlin 0.0.4 [(gizmo grew up)](https://pypi.python.org/pypi/gizmo/0.1.12)
 
 `aiogremlin` is a **Python 3** driver for the the [Tinkerpop 3 Gremlin Server](http://www.tinkerpop.com/docs/3.0.0.M7/#gremlin-server). This module is built on [Asyncio](https://docs.python.org/3/library/asyncio.html). By default it uses the [aiohttp](http://aiohttp.readthedocs.org/en/v0.15.3/index.html) websocket client , but it is easy to plug in a different implementation. `aiogremlin` is currently in **alpha** mode, but all major functionality has test coverage.
 
diff --git a/aiogremlin/__init__.py b/aiogremlin/__init__.py
index 123064e230d20d2bac48a14b064cac0ef6d0c1cc..5480f02b0d08e1e733eaf36f0b3e6e3f50053bc1 100644
--- a/aiogremlin/__init__.py
+++ b/aiogremlin/__init__.py
@@ -3,4 +3,4 @@ from .connection import (WebsocketPool, AiohttpFactory, BaseFactory,
     BaseConnection)
 from .client import GremlinClient, create_client
 from .exceptions import RequestError, GremlinServerError, SocketClientError
-__version__ = "0.0.3"
+__version__ = "0.0.4"
diff --git a/aiogremlin/client.py b/aiogremlin/client.py
index a8596906f5e55beddfd4a590928c741053b59bf8..63e99a606a33d225460e28bc6c49952156ebdee8 100644
--- a/aiogremlin/client.py
+++ b/aiogremlin/client.py
@@ -4,23 +4,24 @@ import asyncio
 import ssl
 import uuid
 
-import ujson
 
 from aiogremlin.connection import WebsocketPool
 from aiogremlin.log import client_logger
 from aiogremlin.protocol import gremlin_response_parser, GremlinWriter
+from aiogremlin.log import INFO, client_logger
 
 
 @asyncio.coroutine
 def create_client(uri='ws://localhost:8182/', loop=None, ssl=None,
                   protocol=None, lang="gremlin-groovy", op="eval",
                   processor="", pool=None, factory=None, poolsize=10,
-                  timeout=None, **kwargs):
+                  timeout=None, verbose=False, **kwargs):
     pool = WebsocketPool(uri,
                          factory=factory,
                          poolsize=poolsize,
                          timeout=timeout,
-                         loop=loop)
+                         loop=loop,
+                         verbose=verbose)
 
     yield from pool.init_pool()
 
@@ -32,7 +33,8 @@ def create_client(uri='ws://localhost:8182/', loop=None, ssl=None,
                          op=op,
                          processor=processor,
                          pool=pool,
-                         factory=factory)
+                         factory=factory,
+                         verbose=verbose)
 
 
 class GremlinClient:
@@ -40,7 +42,7 @@ class GremlinClient:
     def __init__(self, uri='ws://localhost:8182/', loop=None, ssl=None,
                  protocol=None, lang="gremlin-groovy", op="eval",
                  processor="", pool=None, factory=None, poolsize=10,
-                 timeout=None, **kwargs):
+                 timeout=None, verbose=True, **kwargs):
         """
         """
         self.uri = uri
@@ -61,6 +63,8 @@ class GremlinClient:
         self.pool = pool or WebsocketPool(uri, factory=factory,
             poolsize=poolsize, timeout=timeout, loop=self._loop)
         self.factory = factory or self.pool.factory
+        if verbose:
+            client_logger.setLevel(INFO)
 
     @property
     def loop(self):
@@ -87,7 +91,7 @@ class GremlinClient:
         lang = lang or self.lang
         op = op or self.op
         processor = processor or self.processor
-        message = ujson.dumps({
+        message = {
             "requestId": str(uuid.uuid4()),
             "op": op,
             "processor": processor,
@@ -96,7 +100,11 @@ class GremlinClient:
                 "bindings": bindings,
                 "language":  lang
             }
-        })
+        }
+        if processor == "session":
+            message["args"]["session"] = str(uuid.uuid4())
+            client_logger.info(
+                "Session ID: {}".format(message["args"]["session"]))
         if connection is None:
             connection = yield from self.pool.connect(self.uri, loop=self.loop)
         writer = GremlinWriter(connection)
diff --git a/aiogremlin/connection.py b/aiogremlin/connection.py
index 74f4794660e66bfea5522a827b26a2de048312d7..c5cea34354c3a6cc906bc26673beb2181b4b611c 100644
--- a/aiogremlin/connection.py
+++ b/aiogremlin/connection.py
@@ -102,17 +102,15 @@ class WebsocketPool:
             try:
                 socket = yield from self.factory.connect(uri, pool=self,
                     loop=loop)
-            except:
-                raise
-            else:
-                conn_logger.info("New connection on socket: {} at {}".format(
-                    socket, uri))
             finally:
                 self.num_connecting -= 1
         if not socket.closed:
+            conn_logger.info("New connection on socket: {} at {}".format(
+                socket, uri))
             self.active_conns.add(socket)
         # Untested.
         elif num_retries > 0:
+            conn_logger.warning("Got bad socket, retry...")
             socket = yield from self.connect(uri, loop, num_retries - 1)
         else:
             raise RuntimeError("Unable to connect, max retries exceeded.")
diff --git a/aiogremlin/protocol.py b/aiogremlin/protocol.py
index 2a2613561e2e86421594f1174611cee12f825bbd..6413aa9e1d29f0b5d212ed131f7feb6b90d516b3 100644
--- a/aiogremlin/protocol.py
+++ b/aiogremlin/protocol.py
@@ -42,6 +42,7 @@ class GremlinWriter:
 
     @asyncio.coroutine
     def write(self, message, binary=True, mime_type="application/json"):
+        message = ujson.dumps(message)
         if binary:
             message = self._set_message_header(message, mime_type)
         yield from self._connection.send(message, binary)
diff --git a/benchmark.py b/benchmark.py
index bf6c4c27feb8a2b6e1b45799f7fd0b4caa010f17..a74ed05c48123d19219eb2bfd0d77f1a68ab9c13 100644
--- a/benchmark.py
+++ b/benchmark.py
@@ -27,7 +27,7 @@ def run(client, count, concurrency, loop):
                 assert resp[0].data[0] == result, resp[0].data[0]
                 processed_count += 1
             except Exception:
-                continue
+                raise
 
     for i in range(count):
         rnd1 = random.randint(1, 9)
@@ -79,7 +79,7 @@ ARGS.add_argument(
     help='message count (default: `%(default)s`)')
 ARGS.add_argument(
     '-c', '--concurrency', action="store",
-    nargs='?', type=int, default=500,
+    nargs='?', type=int, default=256,
     help='count of parallel requests (default: `%(default)s`)')
 ARGS.add_argument(
     '-p', '--poolsize', action="store",
@@ -87,7 +87,7 @@ ARGS.add_argument(
     help='num connected websockets (default: `%(default)s`)')
 ARGS.add_argument(
     '-w', '--warmups', action="store",
-    nargs='?', type=int, default=1,
+    nargs='?', type=int, default=5,
     help='num warmups (default: `%(default)s`)')
 
 
@@ -102,8 +102,8 @@ if __name__ == "__main__":
     client = loop.run_until_complete(
         aiogremlin.create_client(loop=loop, poolsize=poolsize))
     try:
-        print("Runs: {}. Warmups: {}. Messages: {}. Concurrency: {}.".format(
-            num_tests, num_warmups, num_mssg, concurr))
+        print("Runs: {}. Warmups: {}. Messages: {}. Concurrency: {}. Poolsize: {}".format(
+            num_tests, num_warmups, num_mssg, concurr, poolsize))
         main = main(client, num_tests, num_mssg, concurr, num_warmups, loop)
         loop.run_until_complete(main)
     finally:
diff --git a/changes.txt b/changes.txt
index e134c84a70a455761e5f2b1c6b12c372beee47d8..2fbf42b17c05ee7a2fe8f01d31b6f6552f445aaa 100644
--- a/changes.txt
+++ b/changes.txt
@@ -1,3 +1,4 @@
 0.0.1 - 4/2015: Birth!
 0.0.2 - 5/1/2015: Added an init_pool method and a create_client constructor.
 0.0.3 - 5/2/2015: Using ujson for serialization.
+0.0.4 - 5/12/2015: Added support for sessions.
diff --git a/setup.py b/setup.py
index 4244101250fd5644525abe738f48bbeb02d4e80f..01a7bd91490adc083ae3f1e279a31244c97ff6df 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@ from setuptools import setup
 
 setup(
     name="aiogremlin",
-    version="0.0.3",
+    version="0.0.4",
     url="",
     license="MIT",
     author="davebshow",
diff --git a/tests/tests.py b/tests/tests.py
index bd5c7ca0a4c4dbf783aaef611107ee1b178de446..e66518d47a7c83000847d5fd2f53fbd7417c15a6 100644
--- a/tests/tests.py
+++ b/tests/tests.py
@@ -76,6 +76,11 @@ class GremlinClientTests(unittest.TestCase):
             error = True
         self.assertTrue(error)
 
+    def test_session(self):
+        execute = self.gc.execute("x + x", processor="session", bindings={"x": 4})
+        results = self.loop.run_until_complete(execute)
+        self.assertEqual(results[0].data[0], 8)
+
 
 class WebsocketPoolTests(unittest.TestCase):