TST: Add coveralls to test requirements
TST: Run coveralls on travis
TST: Use py.test with pytest-cov to run tests for better coverage support
TST: Let's not test the whole world
TST: Add .coveragerc
Merge pull request #85 from kjordahl/test/coveralls

Test coverage and coveralls integration
TST: Add a Coveralls badge to display test coverage in the README
Merge pull request #86 from kjordahl/test/coveralls_badge

Add a Coveralls badge to display test coverage in the README
BUG: Set crs in read_file

Fixes a bug introduced in 72f236.