v0.7 / master fixes

Merge pull request #23 from JuliaString/spj/v7update

Update for v0.7 change contains -> occursin

Handle typealias/type/immutable changes

Merge pull request #1 from JuliaString/spj/fix06

Fix deprecation warnings on v0.6

First release for v0.5 and v0.6-dev

v0.1.0

Better handle packed tables, add more tests