changes sstr shortcut macros s.t. they distinguish sstr_t and scstr_t + add macros which can completely disable the shortcuts

fixes logging messages starting with '- ' when no additional information is selected

removes deprecated ucx_list_append_once() and ucx_list_prepend_once()

Tags finalization of the scstr_t integration.

(0) -300 -100 -30 -10 -4 +4 +10 +30 +100 +300 tip

mercurial