Graphics for runnable project
Merge pull request #53 from pointhi/master

* add gui tests and fix test conditions
* fix bug in gui
Reading changed variable path now works with any construction of arrays and structs
Added test mode parameter

GUI test mode can be started by adding the parameter "-t"
Improved input highlighting
Reset output text panel on interpreter start
Input data is now saved to an extra file
ctrl+s support for input text pane
Fixed Tree Table color line render bug
Corrected error line highlighting
Added a context menu to the tree table
Added keyboard shortcuts
Removed old hotkey listeners
Added "Jump to Declaration"
Merge pull request #55 from pointhi/master

save line of var and con declaration
Merge
Merge pull request #56 from fabian1995/master

Bugfixes and some useful features