ADD unit tests for jira.py

- Add unit tests for jira.py
- Add 'type' as a required parameter for jira's create() method.
- Update documentation with 'type' as a required parameter.

README.rst

@@ -27,7 +27,8 @@ Simplify all of your ticketing operations with ticketutil:
 
     # Create a ticket and perform some common ticketing operations.
     t = ticket.create(summary='Ticket summary',
-                      description='Ticket description')
+                      description='Ticket description',
+                      type='Task')
     t = ticket.add_comment('Test Comment')
     t = ticket.change_status('Done')
 

read-the-docs/source/JIRA.rst

@@ -28,16 +28,17 @@ Methods
 create()
 --------
 
-``create(self, summary, description, **kwargs)``
+``create(self, summary, description, type, **kwargs)``
 
 Creates a ticket. The required parameters for ticket creation are
-summary and description. Keyword arguments are used for other ticket
+summary, description and type. Keyword arguments are used for other ticket
 fields.
 
 .. code:: python
 
     t = ticket.create(summary='Ticket summary',
-                      description='Ticket description')
+                      description='Ticket description',
+                      type='Task')
 
 The following keyword arguments were tested and accepted by our
 particular JIRA instance during ticket creation: