Initial options parsing and basic test
Fixing string to symbol, attribute tests
Remove common options in help, add TODO to match test
Modifying the fix to work on Ruby 1.8.7
Make Options a subclass of hash to avoid massive changes

Document now uses the Asciidoctor::Cli:Options class
Add in the invoker
Bad merge on the blocks_test, fixed
Updating the bin/asciidoctor file adding --trace option