[INTERPRETER]
* BUG: Child processes do not inherit locks anymore.
* BUG: Workaround libraries like 'glib' that override SIGCHLD handler by checking and reinstalling it at each process run.
[DEVELOPMENT ENVIRONMENT]
* OPT: Don't load the help browser form immediately to speed up IDE starting.
[INTERPRETER]
* NEW: Use a dedicated stream for locks, so that the File object returned by LOCK cannot be used for reading or writing the locked file.
[GB.GTK]
* NEW: Ignore Application.Busy when displaying a message box.
[GB.GTK3]
* NEW: Ignore Application.Busy when displaying a message box.
[GB.QT4]
* NEW: Ignore Application.Busy when displaying a message box.
[GB.QT5]
* NEW: Ignore Application.Busy when displaying a message box.