* Added the possibility to specify a working directory, from where pandoc will be executed from ( #252  )
* A new logging mechanism has been implemented in PyPandoc. See {the readme for more information}(https://github.com/nicklastegner/pypandoc/)
* Added deprecation messages for using the quiet argument in the convert_* functions, as they will be removed in a future version (likely 1.8).
* Various fixes to tests.
* code cleanup.