Add relative imports so 1.0 and 0.9x can co-exist.

elasticsearch/__init__.py

@@ -4,12 +4,12 @@ VERSION = (1, 0, 1)
 __version__ = VERSION
 __versionstr__ = '.'.join(map(str, VERSION))
 
-from elasticsearch.client import Elasticsearch
+from .client import Elasticsearch
-from elasticsearch.transport import Transport
+from .transport import Transport
-from elasticsearch.connection_pool import ConnectionPool, ConnectionSelector, \
+from .connection_pool import ConnectionPool, ConnectionSelector, \
     RoundRobinSelector
-from elasticsearch.serializer import JSONSerializer
+from .serializer import JSONSerializer
-from elasticsearch.connection import Connection, RequestsHttpConnection, \
+from .connection import Connection, RequestsHttpConnection, \
     Urllib3HttpConnection, MemcachedConnection, ThriftConnection
-from elasticsearch.exceptions import *
+from .exceptions import *
 

elasticsearch/helpers/__init__.py

@@ -1,8 +1,8 @@
 from itertools import islice
 from operator import methodcaller
 
-from elasticsearch.exceptions import ElasticsearchException
+from ..exceptions import ElasticsearchException
-from elasticsearch.compat import map
+from ..compat import map
 
 class BulkIndexError(ElasticsearchException):
     @property