add manual testing category

wakatime/arguments.py

@@ -87,9 +87,10 @@ def parse_arguments():
     parser.add_argument('--category', dest='category',
                         action=StoreWithoutQuotes,
                         help='Category of this heartbeat activity. Can be ' +
-                             '"coding", "building", "debugging", ' +
-                             '"running tests", "browsing", ' +
-                             '"code reviewing", "designing" or "indexing". ' +
+                             '"coding", "building", "indexing", ' +
+                             '"debugging", "running tests", ' +
+                             '"manual testing", "browsing", ' +
+                             '"code reviewing" or "designing". ' +
                              'Defaults to "coding".')
     parser.add_argument('--proxy', dest='proxy', action=StoreWithoutQuotes,
                         help='Optional proxy configuration. Supports HTTPS '+

wakatime/heartbeat.py

@@ -63,12 +63,13 @@ class Heartbeat(object):
         allowed_categories = [
             'coding',
             'building',
+            'indexing',
             'debugging',
             'running tests',
+            'manual testing',
             'browsing',
             'code reviewing',
             'designing',
-            'indexing',
         ]
         if self.category not in allowed_categories:
             self.category = None