Added the possibility to create an OrgTable out of nested lists
Added code to write an HTML table into the chache
* tests/resources/test.md: Removed because we no longer follow this path
* In general: Added code to convert an org table to an HTML table
  supported by evernote
* In general: Fixed some escape character issues
              Tried something else for the evernote headers, just using
              starts instead of titles in markdown encoding
Fixed the link conversion. Also removed escaping [ and ] because it
invalidated the markup that needs to be parsed by geeknote

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