Improve README example specs.
Add actual reading of files to NTriples spec.
Rick Roberts graph insert performance problem demonstration.
Document more options on Literal#initialize.
Merge remote-tracking branch 'refs/remotes/origin/no-addressable'
Work around regex problem in 1.8.7, which may affect some cases of URI#canonialize!
Remove dependency on Addressable.
Use backports for versions of Ruby < 1.9
More URI canonicalization tests.
Fix emergent bug in Util::File specs.