[#144] Update history
Revert "Merge pull request #134 from bf4/remove_active_support"

This reverts commit f3275c67f468630b19dd8fd922f5c71fdcb85505, reversing
changes made to 1091f69ef9e4d6bd5c228947f70e3fc2d91ecb5f.
Bump to 4.4.4