Disable cross-domain access by default. See GH-89 and GH-63.
better debug message
DOC,TST: document that Splash returns utf8-encoded data and add tests for that. Fixes GH-88.
add comments about some edge cases in redirect detection
Merge pull request #90 from scrapinghub/no-iframes-hack-by-default

[MRG] Disable cross-domain access by default.
add sphinx doc (with content taken from README). refs #92

also updated setup.py to prepare for pypi release.
minor improvemens to README and setup.py
Merge pull request #3 from scrapinghub/master

latest from upstream