Optimize dependencies (#24)

1. Optimized requirements
2. Fixed requirements installation

README.md

@@ -8,10 +8,8 @@ A small library implementing PostgreSQL ability to return rows in DML statements
 * django >= 1.8  
   Previous versions may also work, but are not tested with CI.   
   bulk_create_returning method doesn't support .only() and .defer() filters for django before 1.10.
-* pytz
-* six
-* typing
-* psycopg2
+* psycopg2-binary
+* typing for python < 3.5
 * PostgreSQL 9.4+   
   Previous versions may also work, but are not tested with CI.  
 

requirements.txt

@@ -1,5 +1,3 @@
-Django (>=1.7)
-pytz
-six
-typing
-psycopg2
+django>=1.7
+psycopg2-binary
+typing; python_version < '3.5'

setup.py

@@ -13,7 +13,7 @@
 
 setup(
     name='django-pg-returning',
-    version='1.3.0',
+    version='1.3.1',
     packages=['django_pg_returning'],
     package_dir={'': 'src'},
     url='https://github.com/M1hacka/django-pg-returning',
@@ -23,5 +23,5 @@
     description='A small library implementing PostgreSQL ability to return rows in DML statements for Django',
     long_description=long_description,
     long_description_content_type="text/markdown",
-    requires=requires
+    install_requires=requires
 )