add layers to categorization

Author: nathanielherman

scaleapi/__init__.py

@@ -5,7 +5,7 @@
 
 DEFAULT_FIELDS = {'callback_url', 'instruction', 'urgency', 'metadata'}
 ALLOWED_FIELDS = {'categorization': {'attachment', 'attachment_type', 'categories',
-                                     'category_ids', 'allow_multiple'},
+                                     'category_ids', 'allow_multiple', 'layers'},
                   'transcription': {'attachment', 'attachment_type',
                                     'fields', 'repeatable_fields'},
                   'phonecall': {'attachment', 'attachment_type', 'phone_number',

setup.py

@@ -25,7 +25,7 @@
 setup(
     name = 'scaleapi',
     packages = ['scaleapi'],
-    version = '0.1.10',
+    version = '0.1.11',
     description = 'The official Python client library for the Scale API, the API for human labor.',
     author = 'Calvin Huang',
     author_email = 'c@lvin.me',