Mock the links test.
Merge pull request #1145 from sigmavirus24/master

Mock the links test
it`s more pep8 now
Time how long each request takes

Stored as attribute Response.time_taken
Use timedelta and change attribute name back to elapsed
Merge pull request #1138 from clee/master

Time each request
Merge pull request #1146 from oczkers/master

It`s more pep8 now
Move the timing work to Session.send

per @kennethreitz's request
Merge pull request #1148 from sigmavirus24/timing_switch

Move the timing work to Session.send
Make Response objects iterable.
More useful docstring.
Fix test for Py3.
Merge pull request #1143 from Lukasa/master

Response as iterator
Fix the elapsed test and #1133
Thanks to @maxcountryman for the code review
Update docs/user/advanced.rst

Rephrasing a line in the docs, add explicite mention of "client side certificate" (for indexing and clarity)
shorten filename by os.path.basename in guess_filename(obj)
Merge pull request #1152 from ekatsah/patch-1

Update docs/user/advanced.rst
Merge pull request #1153 from cbare/master

use only base filename in multipart file upload
HMG