Ignore the generated extconf.h file.
Bump copyright year.
Update the gemspec and Rakefiles and add a VERSION file.
Convert to the more ruby-ish two-spaced indentation.
Ruby 1.9 fixes for rb_raise.
Use RSTRING_LEN instead of RSTRING()->len.
rubyio.h has been moved to ruby/io.h in ruby 1.9.
Use RbConfig instead of Config.
Use the VERSION file to grab the extension version.
Cut down on some warnings on OSX.
Look in /opt/local before /usr.
Fix the require paths for ruby 1.9+.
Use MiniTest.
Ignore git *.orig files.