diff --git a/README.md b/README.md
index 9511185..1f29230 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # A simple Jupyter kernel for PostgreSQL
 
-Install with `pip install postgres_kernel`
+Install the official version with `pip install postgres_kernel`
+
+Install from git repo (experimental) with: `pip install git+https://github.com/mhoangvslev/postgres_kernel/`
 
 To use, run one of:
 
@@ -28,6 +30,12 @@ This is heavily based on [takluyver/bash_kernel](https://github.com/takluyver/ba
 
 ![](images/notebook.png)
 
+## Demonstration:
+- [Loiret Photographs Archive](https://github.com/mhoangvslev/PhotographiesArchiveSQL)
+- [PostgreSQL Basics](https://github.com/mhoangvslev/JupyterPostgreSQLBasics)
+
+## Progress:
+[![Waffle.io - Issues in progress](https://badge.waffle.io/mhoangvslev/postgres_kernel.png?label=in%20progress&title=In%20Progress)](http://waffle.io/mhoangvslev/postgres_kernel)
 
 Related
 -------
diff --git a/postgres_kernel/kernel.py b/postgres_kernel/kernel.py
index 82d54da..d837ac9 100644
--- a/postgres_kernel/kernel.py
+++ b/postgres_kernel/kernel.py
@@ -188,10 +188,10 @@ def do_execute(self, code, silent, store_history=True,
             self.send_response(self.iopub_socket, 'stream',
                                {'name': 'stderr', 'text': str(e)})
             self._conn.rollback()
-            return {'status': 'error', 'execution_count': self.execution_count,
-                    'ename': 'ProgrammingError', 'evalue': str(e),
-                    'traceback': []}
+            return {'status': 'abort', 'execution_count': self.execution_count}
+
         else:
+            
             if rows is not None:
                 self.send_response(
                     self.iopub_socket, 'stream', {
@@ -210,6 +210,8 @@ def do_execute(self, code, silent, store_history=True,
             if header is not None and len(rows) > 0:
                 self.send_response(self.iopub_socket, 'display_data', display_data(header, rows))
 
+            self._conn.commit()
+
         return {'status': 'ok', 'execution_count': self.execution_count,
                 'payload': [], 'user_expressions': {}}