Implemented ticket #651 "Install package from file"
Fixed issue #769 "Tooltips are accidentally hidden by the mouse cursor"
Fixed issue #768 "NLYT files are not draggable"
Fixed issue #777 "Using a local variable inside a local variable definition not possible"
Fixed issue #776 "Section detection has problems, if empty lines are removed"
Implemented ticket #767 "Enable vector plots from complex data"
Deleted merged branch for ticket #722
Implemened ticket #722 "Create a range based 'for' loop"
Implemented ticket #709 "Add 'axes=MODE' plotting option"
Improved implementation of ticket #722 - Added documenting comments - Resolved a bug in the "is_string()" function - Enabled "DIFF" file types