Log Message:
py-tables: (ex py-pytables) updated to 3.4.4

Changes from 3.4.3 to 3.4.4

Improvements

Environment variable to control the use of embedded libraries.
Include citation in repository. gh-690.

Bugs fixed

Fixed import error with numexpr 2.6.5.dev0 gh-685.
Fixed linter warnings.
Fixed for re.split() is version detection. gh-687.
Fixed test failures with Python 2.7 and NumPy 1.14.3 gh-688 & gh-689.