make rails 3 compatible
Merge pull request #5 from grosser/rails3

Rails3
add authors to gemspec
update date
replace tab with spaces
Merge pull request #6 from EverettForth/master

Update gemspec to remove warnings with bundler.
Ruby 2 support: objects don't respond to protected methods by default.
Ruby 2 support: iconv is needed by Rails 2, but is no longer part of stdlib
Merge pull request #7 from eac/master

Support Ruby 2.0
random cleanup