-Fixed minor bugs occuring on rare conditions

Dissertation:
Finished dissertation

-Changed all occurances of 'register' to 'variable'
GUI:
-Improved the option to show the next executed command
MainSimulator:
-Added check to prevent input variables also being output or auxiliary
variables
-Added check to prevent recursion by calling the same macro multiple times
within one hierachy

-Changed all instances of Makro to Macro
-Renamed 'Program' 'Instruction'

GUI:
-Added missing functions
-Added working highlighting for Windows and semi working for Unix systems
(needs a rework if time)

Simulator:
-Minor Bugfixes

Console Application:
-Minor addition to functions; will be focused next