add iterator interface + linked list iterator

hide __attribute__ from compilers that may not support it

simplifies some linked list tests

fix missing cleanup in test_hl_linked_list_from_array

add cxListReverse()

add some const qualifiers

add cxLinkedListFromArray() and cxListCompare()

use c99 bool + add test for low level find

(0) -300 -100 -30 -10 -8 +8 +10 +30 +100 +300 tip

mercurial