Add some tests to the package. One length test fails right now. The header tests are placeholders.
Add multi-column test. Clean up/comment R code. Implement simple header checks.
Add multi-column test. Clean up/comment R code. Implement simple header checks.
Merge branch 'master' of https://github.com/mmacpherson/xport
Fix corner-case bug, in which padding bytes are read as data.
Merge pull request #1 from mmacpherson/master

test "suite", end-of-dataset corner case