Fixed ST3/Python 3 compatibility issues.
Rudimentary syntax file (basically ripped straight from Markdown extended)
Added a “Parse to JSON” option
Merge branch 'sytax-file'

* sytax-file:
  Rudimentary syntax file (basically ripped straight from Markdown extended)
Merge branch 'json-parsing'

* json-parsing:
  Added a “Parse to JSON” option