- updated minitest to 5.0
- Removed Test::Unit::TestCase and started using Minitest::Test instead
- Fixed usage of assert_raise
- Fixed usage of refute_nil
- Fixed and removed usage of assert_nothing_raised
String#length returns the number of characters in Ruby 1.9. We want
the number of bytes. I implemented this by aliasing String#bytesize
to String#length when #bytesize is not defined. This seems like a
harmless core extension since #bytesize didn't exist prior to 1.8.7.