Prep for 1.5.5 release.

Prep for 1.5.4 release.

Merge pull request #79 from djberg96/unroll_152

Update for 1.5.3

Add changes for 1.5.2.

Add changes for 1.5.1 and prep for release.

Merge pull request #68 from djberg96/dragonflybsd

Add Dragonflybsd support, refactor umount

Update copyright.

Add changes for 1.4.4.

Update version test in Windows specs.

Version bump, update changelog, update specs.