* Add environ and table tests
Also allow for directory option and fix nasty nil test-dir bug
* Add 7 libraries via add-libtest.clj
Added :branch option and saved additional info to bb-tested-libs.edn to
reproduce test fetching later
* Disable intermittent failing test
* run lib tests in Windows CI
- add batch scripts for invoking tests
- skip some tests on windows
- tweak a couple tests to run on linux and windows
* configure git to checkout with Windows line endings on Appveyor
