fsed v0.5.4

Hopefully fix failing end2end test ...

fsed v0.5.3

Fix bug to fsed --slow.

fsed v0.5.2

Bugfix release fixing some errors with file I/O under Python 2 (caused by changes in v0.5.1).

fsed v0.5.1

Bugfix release fixing some errors with file I/O under Python 3.

fsed v0.5.0

First release of fsed.