version .2.1 2015-10-31
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1. Better error handling
2. Better internal organization of functions
3. Added Readme
4. Vignettes via knitr
5. runs pdf via qpdf

version .2 2015-08-20
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1. Improved How Authentication Information is Transmitted.
2. New Vignette
3. Download files via curl::curl_download rather than download.file
4. A function that gives you quality of OCR: compare human transcription to OCR output. String Distance.
5. Convenient functions to ocr a file. 