* Fix converting path to multiple rectangles
For path that consists of a series of rectangles
(shape is 'mlllhmlllh...'), call paint_path again with each group of
5 points. The result is multiple rects instead of a single curve.
fixes#369
* Reduce pdf size by removing font
* Add unittest for PDFLayoutAnalyzer.paint_path()
* Add line to CHANGELOG.md
* Add reference to pdf reference manual
* Cleanup function paint_path a bit
* Reduce line length of tests
* Reduce line length of tests
Co-authored-by: Pieter Marsman <pietermarsman@gmail.com>