Bump version, update changelog and sync test matrix with available St…

…ackage LTSes

Do not include test files in the package (store them in temp)

Fixes #11

Update changelog and bump version

Bump version

Bump hlibsass to 0.1.5.2 (fixes build problems)

Bump version and update changelog

Update changelog.

Bump version and update changelog.

Add misc files, prepare for release.