Allow AbstractGenerator::getOutputFromHtml to accept an HTML array, so that it can product a PDF with multiple pages in the same manor as AbstractGenerator::generate.
Also fixed outdated docblocks
Fix BC array declaration
Alter new test so that it's compatible with PHPUnit 4.0
Fix docblocks
Merge pull request #96 from steveYeah/master

Allow AbstractGenerator::getOutputFromHtml() to accept an HTML array