fix cx_linked_list_sort() not working for empty lists

explicitly set cmake policy CMP0077

add cx_strdup_m() and cx_strdup_ma()

make list find return a negative value when elem not found

fix wrong doc in cxListFind()

add cx_strcat_m() and cx_strcat_ma() for in-place concatenation

(0) -300 -100 -30 -10 -6 +6 +10 +30 +100 tip

mercurial