update readme

README.rst

@@ -52,11 +52,13 @@ Or you can run it standalone as a ``RobotFramework`` shell::
     > log  hello
     > get time
     < '2011-10-13 18:50:31'
+    # use TAB to auto complete commands
     > BuiltIn.Get Time
     < '2011-10-13 18:50:39'
     > import library  String
     > get substring  helloworld  5  8
     < 'wor'
+    # define variables as you wish
     > ${secs} =  Get Time  epoch
     # ${secs} = 1474814470
     > Log to console  ${secs}
@@ -68,6 +70,12 @@ Or you can run it standalone as a ``RobotFramework`` shell::
     > &{dict} =  Create Dictionary    name=admin    [email protected]
     # &{dict} = {'name': 'admin', 'email': '[email protected]'}
     > Log  ${dict.name}
+    > # print value if you input variable name only
+    > ${list}
+    [u'hello', u'world']
+    > ${dict.name}
+    admin
+    # start a selenium server quickly
     > help selenium
     Start a selenium 2 webdriver and open url in browser you expect.
 
@@ -92,6 +100,9 @@ there are commands ``libs`` or ``l`` to list the imported libraries and
 built-in libraries, and ``keywords <lib name>`` or ``k`` to list
 keywords of a library.
 
+``rfdebug`` accept any ``pybot`` arguments, but by default, ``rfdebug``
+disabled all logs with ``-l None -x None -o None -L None -r None``.
+
 Submitting issues
 -----------------