Update README & error message

README.md

+
 TBD
 
+## Installation
+
+```
+pip install ansible-droplet
+```
+
+> Note:  
+> If installing with `sudo`, all the following `ansible-droplet` commands must be executed with `sudo` as well !  
+> To prevent that, use a [virtualenv](http://roundhere.net/journal/virtualenv-ubuntu-12-10/)
+
+
 ### Resources
 
 Glances as systemd service: https://github.com/nicolargo/glances/wiki/Start-Glances-through-Systemd

ansible_droplet/cli.py

@@ -67,8 +67,12 @@ def _create_droplet_inventory_symlink():
 
     if not os.path.isfile(inventory_file):
         raise AssertionError(
+            "\n" +
+            "/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\\n" +
             "Please ensure you didn't delete the generated inventory in the HOME dir\n" +
-            "In case you did, just create a new empty file at '{0}'".format(inventory_file)
+            "In case you did, just create a new empty file at '{0}'" +
+            "/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\/!\\\n" +
+            "\n".format(inventory_file)
         )
 
     symlink(inventory_file, inventory_link)

setup.py

@@ -9,7 +9,7 @@ def readme():
 
 setup(
     name='ansible-droplet',
-    version='0.2.2',
+    version='0.2.3',
     description='A cli to Create / Destroy DigitalOcean Droplets',
     long_description=readme(),
     keywords='digitalocean digital ocean droplet ansible ssh provision',