Making variable panel not editable when showing variables of debugging block

Fixing standard functions library treectrl in library panel in order to make it similar on all platforms
Fixing Toolbar refreshing method in order to make it faster

Removing wrong background colour on directly derived panel's base type choice control in DataTypeEditor

Fixing bug in PLCGenerator when generating global variables

Fixing library treectrl in order to make it similar on all platforms

Fixing bug preventing drag'n drop of located variables in location cell of variable panel grid

Fixing bug when updating name of project elements in utf-8 formatted text

Fixing bug in xmlclass with empty CDATA. Empty CDATA aren't present in xml tree and prompt error when trying to load empty ANY tag using CDATA

Adding support in xmlclass for handling some not yet supported XML syntaxes

Fixing bug that prevent to define a directly declared array type for a variable in VariablePanel

Fixing bug when modifying the name of a derived data type

Fixing bug that calls text styling in a loop while some highlighting is defined

Fixing bug in RessourceEditor. Task reference in instance entries wan't updated after task name modification

Fixing bug preventing copy/cut/paste using shortcuts on CFileEditor text editors

Moving variable panel from bottom notebook panel to POU editor panel

Fixing bug while editing PowerRail element in Viewer