Add option 'errorIfStatusIsNot200'.
Version bump
This reference fix
Add a new customCSS option that allows a user to pass custom CSS rules that will be added right before a screenshot is taken
Updated README with new customCSS option
Cleanup and version bump
Update README.md
error with special chars resolved (düsseldorf.de has made a webshot of dsseldorf.de)
Version bump
Revert "error with special chars resolved (düsseldorf.de has made a webshot of dsseldorf.de)"

This reverts commit 423978efd9a02ca3b8f22a0f9b63d6ce2f6a44e4.
Add example of using phantomConfig to README.