Render a page as timeline (#7)

* added: renderpage as syntax element (<dwtimeline page=ns:page />)
first Header -> Timeline Title
next level Header - > Milestones

small refactor styles
http -> http

Render a page as timeline (#7)

* added: renderpage as syntax element (<dwtimeline page=ns:page />)
first Header -> Timeline Title
next level Header - > Milestones

small refactor styles
http -> https

* added: Tests

* Optionsparser: support robust options parsing
- accept both "..." and '...' values
- support backslash escapes (\" and \')
- allow unquoted tokens without spaces

* cleanup

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