README.md in devinstall-0.2.6 vs README.md in devinstall-1.0.0

@@ -22,32 +22,59 @@
 
     $ gem install devinstall
 
 ## Usage
 
-Example command:
+When you install the gem, the installer automaticaly install a program named pkg-tool. 
+All the actions can be done via this tool.
 
-    $ devinstall –config ./config.yml --environment dev --package ui-lbgenerate --action install
+The general command line syntax is:
 
-This will build and install the package on dev environment
+	$ pkg_tool <action> [<package>] [--env <environment>] [--type <type>] [--config <config_file>]
 
-or
+Where:
 
-    $ devinstall --config ./config.yml --environment dev-rh --package ui-lbgenerate --action upload
+### Action can be one of the:
 
-This will build and upload package to repository for dev-rh environment as defined in config.yml
+    build
 
-The command line parameters are:
+Builds the package on the `build/env/host` and copy the package file(s) back in the `base/temp` folder
 
-	--config: the config file (defaults to ./config.yml)
+    install
 
-	--environment: the environment for the install or upload action
+Build (using `build` command) and install the builded package on the `install/env/host`
 
-	-- package: the package to be built and installed/uploaded
+    tests
 
-	--type: only for –action build and specifies the package type (deb, rpm, tar.gz, arc....)
+Run the tests described in `test` section of the configuration file
 
-	--action: can be build (require also --type), install (require --environment) or upload (also require --environment)
+    upload
+
+Build the package, run the tests and upload thr file to the repo
+
+### The switches
+
+The command line switches are:
+
+  --config: the config file (defaults to ./devinstall.yml)
+
+  --env: the environment for the install or upload action
+
+  --type: only for –action build and specifies the package type (deb, rpm, tar.gz, arc....)
+
+The switches override the defaults in the config file
+
+## Example command:
+
+    $ pkg-tool install devinstall –config ./config.yml --env dev
+
+This will build and install the package "devinstall" on dev environment
+
+or
+
+    $ pkg-tool upload devinstall --config ./config.yml --env dev-rh
+
+This will build and upload package "devinstall" to repository for dev-rh environment as defined in config.yml
 
 ## Contributing
 
 1. Fork it
 2. Create your feature branch (`git checkout -b my-new-feature`)