fix and simplify discovery of memrchr default tip

huge refactoring of collections to add support for 3-arg compare functions

add tests for freeing memory with a reallocation of size zero

update names of internal simple_clone funcs to shallow_clone funcs - relates to #780

remove dependency from tree.c to array_list.h

update the online docs with the new array API - resolves #619

minor improvement of iterator.h documentation

(0) -1000 -300 -100 -30 -10 -7 tip

mercurial