Set gemspec date
Escape HTML in code snippets.
Replace accessor 'line' with method 'to_s'.
Escape source blocks correctly.
Fix source block indent if line is blank.
The examples updated.
Switch to GCI::escapeHTML with the corresponding updates of the examples.
Merge pull request #44 from vonavi/html_escape

Characters inside HTML tags <code>...</code> are not escaped.
Update tests for escaping html.
Fix parser spec
Bump version to 0.8.1 patch release
Merge branch 'master' of https://github.com/bdewey/org-ruby