Pyahocorasick

--------------------------------------------------

- Reworked pickling code
- Fix pickling crash (issue 68)
- Fix pickling memory leak (issue 62)
- Fix documentation (by **Philippe Ombredanne**)
- Fix several latent bugs and problems

--------------------------------------------------

- Fix handling of unicode in Python 3 (by **Frankie Robertson**)

--------------------------------------------------

- Fix documentation typos (by **Sylvain Zimmer**)
- Add ability to skip white spaces in the input strings (by **gladtosee**; issue 84)

--------------------------------------------------

- Fix memory leak (issue 81)
- Add link to Python implementation from Abusix (by **Frederik Petersen**)
- Fix unit tests (by **Renat Nasyrov**)

--------------------------------------------------

- Minor documentation fixes (by **Edward Betts**)
- Some internal improvements

--------------------------------------------------

- Fix PyPI building (by **Philippe Ombredanne**; issue 71)