changing tests to latest version (9.3.2, 8.4.19, 86ef479)
Merge pull request #39 from makotosasaki/comment_test

changing tests to latest version (9.3.2, 8.4.19, 86ef479)
tests passing on OSX now :)

$ tf --text test/pgvm_comment_test.sh
...
...
Processed commands 77 of 77, success tests 143 of 143.
$ uname -s
Darwin

I hope this fix #30, btw it refs #32.
fixing some behaviour to work on OSX
Update README.md
adding a changelog
Merge branch 'master' of github.com:guedes/pgvm