Fixed issue #556 "Cut, Copy, Paste in context menu of refactorer not working"
Implemented ticket #470 "Add 2D structure detection"
Implemented ticket #549 "Improve editing functionalities of the terminal"
Implemented ticket #550 "Change behavior of 'new file' toolbar tool"
Implemented ticket #547 "Enable using spaces instead of tabs"
Implemented ticket #546 "Create a code-to-HTML-functionality"
Implemented ticket #511 "Conversion functions between numeric bases"
Implemented ticket #475 "Improve 'list' syntax"
Implemented ticket #551 "String function for stripping pre- and suffixes"
Implemented ticket #548 "Enhance vector expansion syntax"