Renamed "test" -> "spec"
Remove hack of Hash class
Gemfile.lock: Check this in. Seriously.
Rakefile: Commented out older sections for now
braid.gemspec: Switch out 'open4' for 'childprocess', 'test-spec' for 'minitest'
braid.rb: Don't require core_ext.rb anymore
config.rb: Instead of YAML::Store, use YAML::DBM. Easier to work with.
operations.rb: 'open4' -> 'childprocess'
spec: Reworked from 'test-unit' to 'minitest'
version.rb: Updated the trivial version number