Log message:
py-pdfrw: add patch to distinfo, so it's used

Bump PKGREVISION again.

Log message:
Include a fix for certain common broken PDFs.

Log message:
*: bump PKGREVISION for egg.mk users

They now have a tool dependency on py-setuptools instead of a DEPENDS

Log message:
textproc: Replace RMD160 checksums with BLAKE2s checksums

All checksums have been double-checked against existing RMD160 and
SHA512 hashes

Unfetchable distfiles (fetched conditionally?):
./textproc/convertlit/distinfo clit18src.zip

Log message:
textproc: Remove SHA1 hashes for distfiles

Log message:
Fix LICENSE

Log message:
py-pdfrw: update to 0.4

pdfrw 0.4:

Fixes, enhancements, and new examples:
- Python 3.6 added to test matrix
- Proper unicode support for text strings in PDFs added
- buildxobj fixes allow better support creating form XObjects
  out of compressed pages in some cases
- Compression fixes for Python 3+
- New subset_booklets.py example
- Bug with non-compressed indices into compressed object streams fixed
- Bug with distinguishing compressed object stream first objects fixed
- Better error reporting added for some invalid PDFs (e.g. when reading
  past the end of file)
- Better scrubbing of old bookmark information when writing PDFs, to
  remove dangling references
- Refactoring of pdfwriter, including updating API, to allow future
  enhancements for things like incremental writing
- Minor tokenizer speedup
- Some flate decompressor bugs fixed
- Compression and decompression tests added
- Tests for new unicode handling added

Log message:
Add py-pdfrw package, a pure Python library that reads and writes PDFs.