Moved setting of the encoding of the user_error stream of the console after the call of set_prolog_IO/3.
Fixed breakpoint predicates constants.
Fixes toggling of comments in the Prolog editor if a line starts with a single/double quoted string. Added these strings to the configured content types of the Prolog editor.
Moved notification of pdt_reload listeners after the reload process.
Added mutex to the call graph generation.