DIS modification

- Changed identifiers of instructions in DIS
- Adjusted documentation, parser, example and language file to reflect this
Removed special tags

- A stop tag is now the only special tag
- Receives it's own identifier function
- adjusted the dispatcher to reflect this
Got the runtime working with DIS

- Fixed some documentation in instruction
- Fixed a bug in memory, that would say an instruction needed the matcher when it didn't
- Lots of small runtime changes to allow adding external tokens
- Fixed isSpecial/isStop in token
- Added test code
- made PE create a stop instruction