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

change build s.t. the online docs are generated exactly how we want to publish them

adds docstrings to the new array API - relates to #619

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

mercurial