1.6
  - pdf_render_page() and pdf_convert() gain argument to control 'antialias'
  - Small tweaks in pdf_text() for dealing with malformed pdf files

1.5
  - On Windows and MacOS we now bundle poppler-data to support non-latin text
  - Windows: Upgrade libpoppler to 0.61.0 from rwinlib
  - Windows: patch libpoppler bug that would cause pdf_convert() to generate corrupt files
  - PDF rendering errors are relayed via message() instead of warning()

1.4
  - Hide symbols in supported platforms
  - Upgrade libpoppler on Windows

1.3
  - Improve support for reading passworded and encyrpted pdf files (+ unit tests)
  - Support direct conversion from pdf to png, jpeg, tiff (+ unit tests)
  - Switch to Rcpp automatic symbol registration
  - Tweak autobrew script for legacy Mavericks builds

1.2
  - Fix autobrew for OSX Mavericks

1.1
  - Extract autobrew script to separate repo

1.0
  - Add workaround for poppler landscape truncation bug (fixes #7)

0.5
  - Rebuild poppler on Windows to support PDF rendering

0.4
  - Update Homebrew URL in configure script.
  - Fix autobrew (rename libopenjepg -> libopenjp2)
  - Update libpoppler 0.46 for Windows

0.3
  - Update libpoppler 0.42 for Windows
  - Use the COMPILED_BY variable on Windows to support R 3.3

0.2
  - Switch pdf_render_page to 1 based indexing
  - Fix for red/blue channel mixup in pdf_render_page
  - Update example to use local PDF file

0.1
  - Initial release
