PEP 8
PEP 8
Using dummy_requests in all tests.

Ran 47 tests in 34.500s

OK
Handling headers. Defining .text property for response.
DummyRequests. Removed a non-standard test-case.

"<>" marks in url where causing unnecessary complications.
moving dict_cleanup and encode_for_template functions to commons.py
Adding dict_cleanup and encode_for_template functions + ISBN hyphenation
self.
ISBN hyphenation