CXX-55 Enforce symbol visibility when building shared objects
Merge pull request #7 from acmorrow/CXX-55

CXX-55 Enforce symbol visibility when building shared objects
CXX-74 Test with Travis-CI
Merge pull request #6 from TylerBrock/travis-ci

CXX-74 Test with Travis-CI
Update .travis.yml

CXX-74 Add missing dollar sign