Use '-p' command line option when running matiec (iec2c)

Add command line option '-l' when calling matiec

Fixed location of directory containing IEC standard library in C format.

Change location of directory containing IEC standard library in C format.

Added highlighting of wrong SINGLE task trigger

Fixed incomplete task grid update on interface change, in Resource editor

Enable overloading of availables languages in POU creation dialog

Enable overloading of task triggerring source cell editor (SINGLE) in resource editor. PLCGenerator now generates MULTI keywork instead of SINGLE when task's activation is surroundes with square brackets

Updated tests/python : added derivated return type function declaration+call and re-enabled refrences to global FB interfaces

Fixed declaration and ST code gen for IEC function that return derivated types

Added a variable name text entry dialog to allow name change on drag'n'drops

'NamedConstant' variable D'n'D is now allowed on variable grid

Allow specification of command line arguments encoding in ProcessLogger

Splitted type selection menu code in VariablePanel, making easier to override behaviour by inheritence

Fixed crash at project load when features.libraries is empty (i.e. no libraries are provided).

Added plcopen.definitions.DefaultType, set to INT.

Fixed POU paste exception

Propagated changes made in matiec/lib/accessor.h _SET_VAR macro (Mario's matiec changes merged at 39086e324665) to py_ext library, and other (not compiled in) XML standard FB definitions.

Added 'NamedConstant' drag'n'drop in text programs as well (was only accepted on graphical languages).

Fixed launch of PLCopenEditor, broken since 611fded24ce4.

Organized controller's _Build sub-methods layout. Many (unwanted) white space changes.

Added 'NamedConstant' drag'n'drop in programs. It does create a simple variable with initial value and is usefull for drag'n'drop constants from extensions while keeping a name associated with constant

xmlclass : Ensured precedence of newly defined class in case of conflicting declaration

Fixed Exception dialog crash when original exception contains unicode

Fixed unused variable in plc_debug.c

On windows, prepend CWD to PATH before invoking Generic target make command

Pair with matiec a51a3bb4d613. Re-enable resource add/remove, updated CFLAGS, disabled broken global FG test in tests/python

Fixed typo in plcopen.py

Changed python_gear ratio type from USINT to UINT, less restrictive regarding range

Fixed support for spaces in matiec libraries path with native beremiz build