bump version to 1.3.1

Author: funbringer

Diff for: README.md

@@ -114,7 +114,7 @@ with testgres.get_new_node('master') as master:
 
 `testgres` also can help you to make benchmarks using `pgbench` from postgres installation:
 
-```
+```python
 with testgres.get_new_node('master') as master:
     master.init().start()
     p = master.pg_bench_init(scale=10).pgbench(options=['-T', '60'])

Diff for: setup.py

@@ -3,7 +3,7 @@
 setup(
     name='testgres',
     packages=['testgres'],
-    version='1.3.0',
+    version='1.3.1',
     description='Testing utility for PostgreSQL and its extensions',
     license='PostgreSQL',
     author='Ildar Musin',