tornado-pyvows-9999.ebuild: Loosen the pyVows dependency to blacklist only 2.0.4 and 2.0.5
The breakage was fixed with pyVows 2.0.6. I've reported this
dependency change upstream with [1].
[1]: https://github.com/rafaelcaricio/tornado_pyvows/pull/15
dev-python/tornado-pyvows: Add this (indirect) thumbor test dependency
I haven't tracked down the cause of the pyvows 2.0.5 breakage [1].
[1]: https://github.com/rafaelcaricio/tornado_pyvows/commit/
1d264b963f36c77d5e109df946fe38cb2457fc7b
1d264b96 (Pyvows 2.0.5 has broken tornado_pyvows, 2014-05-19)