updating versions of python & pgcli

Author: dencold

Dockerfile

@@ -1,7 +1,7 @@
-FROM python:2.7-slim
+FROM python:2.7.10-slim
 MAINTAINER Dennis Coldwell <dennis.coldwell@gmail.com>
 RUN apt-get -y update && apt-get -y install libpq-dev build-essential
-RUN pip install pgcli
+RUN pip install pgcli==0.19.2
 ADD run-pgcli.sh /bin/run-pgcli.sh
 CMD ["run-pgcli.sh"]