diff --git a/.gitignore b/.gitignore
index a8e501f0032529b7fb206ad50fb5c5a84ec099a9..69b341f25c21e547dfee3bc3ec953a336541439d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,7 @@ java/.classpath
 .project
 .classpath
 **/.*.swp
+.*.sw[a-z]
+*.un~
+Session.vim
+
diff --git a/python/src/ipaaca.py b/python/src/ipaaca.py
index eccf93c9f4fac26cf651c04575a5e048dd7773c2..a23d279c26b1650c449226a65fe1800ebc54cae8 100755
--- a/python/src/ipaaca.py
+++ b/python/src/ipaaca.py
@@ -210,23 +210,23 @@ class IUInterface(object): #{{{
 		'''Attempt to add links if the conditions are met
 		and send an update message. Then call the local setter.'''
 		if not hasattr(targets, '__iter__'): targets=[targets]
-		self._modify_links(links=self, is_delta=True, new_links={type:targets}, links_to_remove={}, writer_name=writer_name)
+		self._modify_links(is_delta=True, new_links={type:targets}, links_to_remove={}, writer_name=writer_name)
 		self._add_and_remove_links( add={type:targets}, remove={} )
 	def remove_links(self, type, targets, writer_name=None):
 		'''Attempt to remove links if the conditions are met
 		and send an update message. Then call the local setter.'''
 		if not hasattr(targets, '__iter__'): targets=[targets]
-		self._modify_links(links=self, is_delta=True, new_links={}, links_to_remove={type:targets}, writer_name=writer_name)
+		self._modify_links(is_delta=True, new_links={}, links_to_remove={type:targets}, writer_name=writer_name)
 		self._add_and_remove_links( add={}, remove={type:targets} )
 	def modify_links(self, add, remove, writer_name=None):
 		'''Attempt to modify links if the conditions are met
 		and send an update message. Then call the local setter.'''
-		self._modify_links(links=self, is_delta=True, new_links=add, links_to_remove=remove, writer_name=writer_name)
+		self._modify_links(is_delta=True, new_links=add, links_to_remove=remove, writer_name=writer_name)
 		self._add_and_remove_links( add=add, remove=remove )
 	def set_links(self, links, writer_name=None):
 		'''Attempt to set (replace) links if the conditions are met
 		and send an update message. Then call the local setter.'''
-		self._modify_links(links=self, is_delta=False, new_links=links, links_to_remove={}, writer_name=writer_name)
+		self._modify_links(is_delta=False, new_links=links, links_to_remove={}, writer_name=writer_name)
 		self._replace_links( links=links )
 	def get_links(self, type):
 		return set(self._links[type])
@@ -300,7 +300,7 @@ class IU(IUInterface):#{{{
 		self.revision_lock = threading.RLock()
 		self._payload = Payload(iu=self)
 	
-	def _modify_links(self, links, is_delta=False, new_links={}, links_to_remove={}, writer_name=None):
+	def _modify_links(self, is_delta=False, new_links={}, links_to_remove={}, writer_name=None):
 		if self.committed:
 			raise IUCommittedError(self)
 		with self.revision_lock:
@@ -412,7 +412,7 @@ class RemotePushIU(IUInterface):#{{{
 		self._payload = Payload(iu=self, new_payload=payload, omit_init_update_message=True)
 		self._links = links
 	
-	def _modify_links(self, links, is_delta=False, new_links={}, links_to_remove={}, writer_name=None):
+	def _modify_links(self, is_delta=False, new_links={}, links_to_remove={}, writer_name=None):
 		"""Modify the links: add or remove item from this payload remotely and send update."""
 		if self.committed:
 			raise IUCommittedError(self)
diff --git a/python/test/src/ipaacaspam.py b/python/test/src/ipaacaspam.py
index bca8ccb3f6da1e92b2b772a9c9a1ef724cea1300..69722ad4a1f213e3eac4a395e2705cf899e1f9b4 100755
--- a/python/test/src/ipaacaspam.py
+++ b/python/test/src/ipaacaspam.py
@@ -66,6 +66,7 @@ class Sender(object):
 	def __init__(self, send_frequency):
 		self.ob = ipaaca.OutputBuffer('PowerOut')
 		self.iu = ipaaca.IU('spam')
+		self.data_prefix='A'*1024;
 		self.iu.payload = {'data':'0'}
 		self.ob.add(self.iu)
 		self.counter = 0
@@ -79,6 +80,17 @@ class Sender(object):
 			time.sleep(self.delay)
 			self.counter += 1
 			self.iu.payload['data'] = str(self.counter)
+			#self.iu.payload = {
+			#		'data':self.data_prefix,
+			#		'data2':self.data_prefix,
+			#		'data3':self.data_prefix,
+			#		'data4':self.data_prefix,
+			#		'data5':self.data_prefix,
+			#		'data6':self.data_prefix,
+			#		'data7':self.data_prefix,
+			#		'data8':self.data_prefix,
+			#		'data9':self.data_prefix,
+			#		}
 			if self.counter == 1000:
 				print "Sent 1k updates at", int(1000.0/(time.time()-last_time)),"Hz"
 				last_time = time.time()