Fix possible ValueError, which wasn't caught, by extracting digits from dimensions attributes values in convert_int. Also be more liberal allowing values with px or percentage suffixes. Added test for image dimensions.
#10 apart from numbers accept values ending with px in ceonvert_to_int
just 1 call to strip
Merge pull request #10 from yaph/convertint

Fix possible ValueError in convert_to_int caused by values like 1px
Move image tests to core, add test for bad image dimensions
Fix cases where there is no title
First implementation of request_opts
class level client variable for requests Session() [getting/setting the variables on the connection and each request], tests
More tests

Restrict users to parameters accepted by `requests`
Update libraries
Update test requirements
Update docs for requests_opts
Merge pull request #13 from michaelhelmick/request_opts

Implement requests arguments, update library version, update docs
Update HISTORY.rst

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Update AUTHORS.rst

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Update HISTORY.rst

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Update AUTHORS.rst

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Version bump

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Version bump

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Update HISTORY.rst

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