fix typos in README and command-line tool help. closes #38

Author: pablohoffman

README.rst

@@ -101,7 +101,7 @@ To list available templates from a scraper::
 
 To add a new annotation, you usually test the selection criteria first::
 
-    scrapely> a 0 w3lib 1.1
+    scrapely> t 0 w3lib 1.1
     [0] u'<a href="/pypi/w3lib/1.1">w3lib 1.1</a>'
     [1] u'<h1>w3lib 1.1</h1>'
     [2] u'<title>Python Package Index : w3lib 1.1</title>'

scrapely/tool.py

@@ -40,7 +40,7 @@ def do_td(self, template_id):
             print "template not found: %s" % template_id
 
     def do_t(self, line):
-        """ts <template> <text> - test selection text"""
+        """t <template> <text> - test selection text"""
         template_id, criteria = line.split(' ', 1)
         t = self._load_template(template_id)
         criteria = parse_criteria(criteria)