Deal with CMYK images by converting them to RGB.  PIL does not invert CMYK images as of PIL 1.1.7, so the invert happens in ImageWriter.
PDFDocument.lookup_names.lookup didn't find 'Names' in some files
Use set instead of list for Plane's internal collection of objects.
2x faster group_textboxes function.
pdfminer.cmap python package does not exists
Merge pull request #12 from sorced-jim/master

Deal with CMYK images by converting them to RGB
Merge pull request #13 from gendoc/master

PDFDocument.lookup_name.lookup isn't searching for 'Names' key.
Merge pull request #16 from jcushman/master

2x faster group_textboxes function.
Merged: dangra/785080b4eae259015d4fa63991356a4034751683
Merge branch 'master' of github.com:euske/pdfminer
Merge pull request #15 from jcushman/patch-1

2x faster layout analysis: Use set instead of list for Plane's internal collection of objects.
Moved: import PIL.