diff --git a/eos/base/election.py b/eos/base/election.py
index a10672d..4b44a2d 100644
--- a/eos/base/election.py
+++ b/eos/base/election.py
@@ -132,8 +132,6 @@ class PreferentialAnswer(Answer):
 	choices = ListField(IntField())
 
 class RawResult(Result):
-	_ver = StringField(default='0.2')
-	
 	plaintexts = ListField(EmbeddedObjectListField())
 	answers = EmbeddedObjectListField()
 	
@@ -149,8 +147,6 @@ class RawResult(Result):
 		return combined
 
 class Election(TopLevelObject):
-	_ver = StringField(default='0.2')
-	
 	_id = UUIDField()
 	workflow = EmbeddedObjectField(Workflow) # Once saved, we don't care what kind of workflow it is
 	name = StringField()
diff --git a/eos/core/objects/__init__.py b/eos/core/objects/__init__.py
index 8c7ed9a..aa915dc 100644
--- a/eos/core/objects/__init__.py
+++ b/eos/core/objects/__init__.py
@@ -222,7 +222,7 @@ class EosObject(metaclass=EosObjectType):
 	@staticmethod
 	def to_json(value):
 		if is_python:
-			return json.dumps(value, sort_keys=True)
+			return json.dumps(value, sort_keys=True, separators=(',', ':'))
 		else:
 			return lib.stringify(value)
 	
@@ -337,7 +337,7 @@ class DocumentObjectType(EosObjectType):
 		return cls
 
 class DocumentObject(EosObject, metaclass=DocumentObjectType):
-	_ver = StringField(default='0.1')
+	_ver = StringField(default='0.3')
 	
 	def __init__(self, *args, **kwargs):
 		super().__init__()
diff --git a/eos/core/objects/json.js b/eos/core/objects/json.js
index 82b9202..1c9e8c3 100644
--- a/eos/core/objects/json.js
+++ b/eos/core/objects/json.js
@@ -53,7 +53,7 @@ function stringify(parent, key, node, level) {
 			var item = stringify(node, i, node[i], level+1) || JSON.stringify(null);
 			out.push(item);
 		}
-		return '[' + out.join(', ') + ']';
+		return '[' + out.join(',') + ']';
 	} else {
 		if (seen.indexOf(node) !== -1) {
 			throw new TypeError('Converting circular structure to JSON');
@@ -71,11 +71,11 @@ function stringify(parent, key, node, level) {
 				continue;
 			}
 			
-			var keyValue = JSON.stringify(key) + ': ' + value;
+			var keyValue = JSON.stringify(key) + ':' + value;
 			out.push(keyValue);
 		}
 		seen.splice(seen.indexOf(node), 1);
-		return '{' + out.join(', ') + '}';
+		return '{' + out.join(',') + '}';
 	}
 };
 
diff --git a/eos/core/tests.py b/eos/core/tests.py
index a8ed751..81c6957 100644
--- a/eos/core/tests.py
+++ b/eos/core/tests.py
@@ -96,7 +96,7 @@ class ObjectTestCase(EosTestCase):
 	
 	def test_serialise(self):
 		person1 = self.Person(name='John', address='Address 1')
-		expect1 = {'_ver': '0.1', 'name': 'John', 'address': 'Address 1'}
+		expect1 = {'_ver': person1._ver, 'name': 'John', 'address': 'Address 1'}
 		#expect1a = {'type': 'eos.core.tests.ObjectTestCase.setUpClass.<locals>.Person', 'value': expect1}
 		expect1a = {'type': 'eos.core.tests.Person', 'value': expect1}