Merge pull request tfutils#35 from cartest/master

Additional development of latest. Bash standards. Revert to upstream README.md. Add CHANGELOG.md. Develop Test Suite.

Merge pull request tfutils#34 from kamatama41/fix-pr-33

Fix PR 33

Merge pull request tfutils#32 from kamatama41/kamatama41-patch-1

Release 0.3.4

Merge pull request tfutils#28 from kamatama41/check-version-name

Check version name is correct before install

Merge pull request tfutils#21 from kamatama41/fix-patch-1

Fix symlinking support