updates readme

Author: saxix

README.rst

@@ -40,7 +40,8 @@ Dump environment variables
     $ py.test --echo-env=HOME
     ============================= test session starts =========================
     platform linux2 -- Python 2.7.4 -- py-1.4.22 -- pytest-2.6.0 -- /bin/python
-    HOME: /home/sax
+    Environment:
+        HOME: /Users/sax
     plugins: echo, pydev, cov, cache, django
 
 
@@ -52,7 +53,8 @@ Dump package version
     $ py.test --echo-version=pytest_echo
     ============================= test session starts =========================
     platform linux2 -- Python 2.7.4 -- py-1.4.22 -- pytest-2.6.0 -- /bin/python
-    pytest_echo: 0.1
+    Package version:
+        pytest_echo: 0.1
     plugins: echo, pydev, cov, cache, django
 
 .. warning:: The first attempt to retrieve the version is done via setuptools
@@ -69,7 +71,8 @@ Dump attributes
     $ py.test --echo-attr=django.conf.settings.DEBUG
     ============================= test session starts =========================
     platform linux2 -- Python 2.7.4 -- py-1.4.22 -- pytest-2.6.0 -- /bin/python
-    DEBUG: False
+    Inspections
+        django.conf.settings.DEBUG: False
     plugins: echo, pydev, cov, cache, django
 
 .. warning:: Be careful when use ``--echo-attr``. It loads any module in the path and this will