Merge in bugfix for ambiguous local time from dustacio t_z_info_timezone.local_to_utc added optional dst param for ambiguous ranges, export_local_to pass in dst disambiguity param to local_to_utc. timezone.local_to_utc added optional dst param for ambiguous ranges t_z_info_timezone_spec.rb updated. incremented version of gemfile, changed spec.opts to .rspec, updated note in readme on PRs and how to run tests.