Revert "Disable unit tests for 2.6, close #57"

This reverts commit e39e05f8a5.

README.md

@@ -7,7 +7,7 @@ high-level consumer and producer classes. Request batching is supported by the
 protocol as well as broker-aware request routing. Gzip and Snappy compression
 is also supported for message sets.
 
-Compatible with Python 2.6+ and Apache Kafka 0.8.1
+Compatible with Apache Kafka 0.8.1
 
 http://kafka.apache.org/
 

test/test_unit.py

@@ -1,7 +1,6 @@
 import os
 import random
 import struct
-import sys
 import unittest
 
 from kafka.client import KafkaClient, ProduceRequest, FetchRequest
@@ -14,10 +13,6 @@ from kafka.codec import (
 ITERATIONS = 1000
 STRLEN = 100
 
-# TODO remove this and fix unit tests
-if sys.version_info < (2,7):
-    print("Skipping unit tests for Python <2.7")
-    exit(0)
 
 def random_string():
     return os.urandom(random.randint(1, STRLEN))