pdf2image 0.64
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- correction for documents containing hidden text
- correction for some words not breaking up properly in very specific scenarios
- added escaping of backspace character

pdf2image 0.40
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- updated Xpdf to 3.01p2
- improved the output of complex mode documents
- fixed links, They should not include text that should not be part of the link anymore.

pdf2image 0.49
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- updated Xpdf to 3.02
- added support for freetype in both linux and windows & added support for splash to allow rasterizing of images
- fixed issue with GString for WIN32